Estadística
Análisis de datos, distribuciones de probabilidad y pruebas de hipótesis.
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the iq scores of 50 students are given below. 112 115 119 86 111 100 11…
### Part (a) # Explanation: ## Step 1: Determine Class Width The first class is 85 - 89, so the class width is \( 89 - 85 + 1 = 5 \) (we add 1 because the class includes both endp…
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to define and trace the history of every single word in the english lan…
difficult to achieve
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in lesson app 1.6, we asked, \have you ever noticed that bags of chips …
40 ### Question 2: Calculate and interpret the standard deviation.
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picasso’s rise to prominence began in 1907. while living in paris, he p…
B. not true to life
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which of the following is an example of a direct democracy? ○ a governm…
B. A political system in which citizens communally own the means of production.
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extraordinary skill allowed him to enter barcelonas prestigious school …
highly respected
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2 i passed the house and inconspicuously parked next door, the neighbor…
C. away from the lights ### Second Sub - Question (Meaning of "vacated") (Note: Since the options for the "vacated" question are not fully visible, we can only provide the general…
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right index fingers whenever they felt the urge. haynes’s team scrutini…
A. examined closely
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question 6 1.5 pts here is the five - number summary for a group of 100…
C. Both the slowest and the fastest runners are outliers. (Assuming the options are labeled A, B, C, D with C being the third option as per the order: first option is A, second B,…
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do human beings have the freedom to make their own choices, to act out …
(Assuming the option is something like "Possible to know in advance" as per the partial text; if the full option list was, e.g., A. Possible to know in advance, then the answer wo…
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daily tobacco smoking as % of population (123 countries) which one of t…
# Explanation: ## Step1: Analyze the histogram data First, we need to understand the distribution of the data from the histogram. The histogram has bins with frequencies: 0 - 6 (1…
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who saved more in 2033, quinn or bela? quinn bela work it out not feeli…
(Assuming from typical such graphs, if the bar or point for Quinn is higher in 2033, else Bela. But since the graph's exact data isn't fully clear, but if we assume standard, mayb…
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question 4 1.5 pts here are three boxplots on an unlabeled number line.…
Boxplot C
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read this sentence from the text. in this sentence, the word \preserved…
B. kept in its original condition
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the theater department recorded the attendance at the high school play.…
To solve this, we first determine the number of children who attended on Tuesday and Friday from the graph (blue line for children): - Tuesday: Assume the number of children is 70…
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what type of tone is recommended for an advocacy message? a. neutral an…
b. Positive and supportive ### Second Question: Which of the following should be avoided in advocacy posts?
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they stop by the restroom, and mr. lopez coldly stares at her. she quic…
seeking hedonism
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nts at oak grove high school compared how much reading was assigned to …
(Assuming the day is Friday, from the graph: Mr. Buckley's assignment - Mrs. Alvarado's assignment. If Friday: Mr. Buckley's point (say 4 units) and Mrs. Alvarado's (say 1 unit), …
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the five point summary is as follows: min = 1.9, q₁ = 2.6, median = 3, …
To determine the correct positions for the boxplot elements, we use the five - number summary and the outlier fences: ### Step 1: Identify the minimum, \(Q_1\), median, \(Q_3\), a…
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20. in a public opinion poll, 624 people from a sample of 1,100 indicat…
The candidate can expect to receive approximately \(\boldsymbol{22691}\) votes (or approximately 22690.91 votes, depending on rounding). If we round to the nearest whole number, i…
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the p.e. teachers at rainfax middle school kept track of how many girls…
To determine the number of boys who participated in the jog - a - thon in 1991, we look at the graph. The blue line (representing boys) in 1991 has a value of 20 (assuming the sca…
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the five point summary is as follows: min = 1.9, q₁ = 2.6, median = 3, …
Lower Fence: \( 1.7 \) Upper Fence: \( 4.1 \) Outliers: \( 4.4 \)
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consider the following sample data, which represent weights of sea muss…
Minimum: \(1.9\), \(Q_1\): \(2.6\), \(Q_2\): \(3.0\), \(Q_3\): \(3.2\), Maximum: \(4.4\)
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glosario alienar separar arsenal lugar donde se guardan armas debatir d…
### Parte A (Verdadero/Falso) 1. **Análisis**: El proyecto de ley para prohibir la esclavitud en territorios de la Guerra con México fue el Proyecto de Wilmot, no "Clausula Wilmot…
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an advertising company polled a group of high schoolers about how much …
80
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parents kept track of the number of times the attendance office called …
February
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sharon was in charge of keeping attendance for a local summer camp each…
2023
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parasite relationships are often the most familiar types of symbiotic r…
To determine the meaning of "viable" in the passage, we analyze the context: the parasite (flea) gains a "viable habitat" to support its life cycle. A habitat that supports a life…
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find the absolute change and the relative change in the following case.…
4.8
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which boxplot is a reasonable summary of the data used to create the hi…
(Assuming the correct option is, e.g.,) C. [Boxplot C] (Note: The exact answer depends on the visual details, but the process is analyzing histogram distribution and matching to b…
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in the following statement, express the first number as a percentage of…
20.7
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select the correct answer from each drop - down menu. the number of peo…
To determine the best model and the number of visitors next year, we analyze the data: ### Step 1: Analyze the trend of visitor data First, we list the number of visitors over the…
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the distribution of lengths of salmon from a certain river is approxima…
A. 26 inches
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for a certain online store, the distribution of number of purchases per…
C. 16%
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an unanswered constitutional question about the judicial branch involve…
what "good behavior" means, with regard to judicial terms.
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6 read the following sentences from the text. \through centuries of dam…
D. shared culture that has been passed down over generations
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15. what does it mean if we have a nonsampling error? please explain.
A nonsampling error is an error in a study (such as a survey or data analysis) that is not caused by the sampling process. It arises from issues like flawed survey design (e.g., u…
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19. model with math coach henderson clocked the speeds in miles per hou…
The box - plot is drawn with minimum = 45.3, Q1 = 47.55, median = 49, Q3 = 58.25, maximum = 61.1. Conclusions: 1. Half of the pitches have speed ≤ 49 mph and half ≥ 49 mph. 2. The…
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4. ¿análogo? a. lugares llenos de fango b. lugar donde se ha nacido c. …
To solve these Spanish comprehension questions, we analyze each: ### Question 4 (Identifying "inundación" meaning): "Inundación" means "flood". Let's analyze options: - a. lugares…
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18. make sense and persevere the temperature forecast for topeka, kansa…
The range for the lower half of the temperatures is 5.
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of a regression line for each of three scenarios, use a graphing utilit…
The equation of the regression line is approximately \( \hat{y} = 1.29x - 21.50 \) (or more precisely \( \hat{y} \approx 1.291x - 21.50 \)). ### Part (b)
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the five point summary is as follows: min = 58.2, q₁ = 61.4, median = 6…
Lower Fence: \( 56.75 \) Upper Fence: \( 69.15 \) Outliers: \( 69.7 \)
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linear equations w/ distribution (lev 3) score: 4/6 penalty: none quest…
\( x = -\frac{4}{5} \)
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compare a and b in three ways, where a = 51,583 is the number of deaths…
\( 0.36 \)
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linear equations w/ distribution (lev 3) score: 2/6 penalty: none quest…
\(-\frac{3}{4}\)
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ages of the employees in a company stem (10) | leaf (1) 1 | 9 9 2 | 0 2…
35
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8. look again at the graph above that is displaying the results of 38 s…
When the sample size increases from 5 to 20 words, we would expect the graph (of sample statistics) to show less variability (a narrower spread, e.g., smaller range or standard de…
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activity 3: shades of meaning directions: each of your vocabulary words…
To solve this, we analyze each pair by understanding the nuanced differences in their meanings: ### 1. Ambiguous & Misleading - **Ambiguous**: Relates to unclear meaning (multiple…
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intervention 9/9&10 started: sep 10 at 7:26pm quiz instructions questio…
B. Left to Right (assuming the options are labeled as A. Right to left, B. Left to Right, C. Lowest to Highest, D. Highest to Lowest)
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7 true or false 10 points abraham lincoln supported the wade-davis bill…
False ### Question 8
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british researchers were interested in the relationship between farmers…
C. Observational study
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6. if we are asking students to \quickly circle five words\ from the so…
The sampling method is convenience sampling. It is used because the sample (the five words) is selected based on the convenience of the students (being able to quickly pick words …
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vishal was interested in the relationship between a person’s age and th…
C. Observational study
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shalise competed in a jigsaw puzzle competition where participants are …
B. 16% on the small puzzle and 84% on the large puzzle
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an online retailer wants to study whether more lenient return policies …
B. Completely randomized
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a group of researchers wants to study the effect of listening to music …
B. Randomized block
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estelles cornfield is divided into 6 regions. she wants to know if a ne…
D. A completely randomized design
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a group of researchers wants to study the effect of listening to music …
A. Completely randomized
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a company wants to study the effectiveness of a new pain relief medicin…
D. Randomized block
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which evidence supports the conclusion that the grimms’ fairy tales wer…
B. Some of the tales discuss wars and other conflicts of the time. C. Many of the stories tell about the horrifying and brutal treatment of children. E. The tales often reveal the…
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a researcher is studying a group of field mice. the distribution of the…
A. 0.023
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at a small coffee shop, the distribution of the number of seconds it ta…
A. 0.17
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chapter 1.1-1.2 day 2 hw (please put your work on a separate sheet of p…
Qualitative. Reason: Telephone numbers are used for identification (labeling) and do not represent a measurable quantity. ### Problem 8: Heights of hot air balloons
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bar & line graph practice (10 points) directions: create a bar graph us…
The bar graph is constructed as follows: - **Title**: "Number of Students in Period 4 by Grade" - **X - axis**: Labels are "A", "B", "C", "D", "F" (representing grades) - **Y - ax…
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the distribution of the number of transactions per day at a certain aut…
D. $\mu = 80$; $\sigma = 10$
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vocabulary strategy-resources you can use a print or online dictionary …
### 1. wistfully - **Original sentence**: She looked out the window wistfully, thinking about her childhood home. - **Synonym (from thesaurus)**: Longingly - **Rewritten sentence*…
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unit 1 what is government? understanding government 1. define: in your …
A government is an organized entity that governs a region (city, state, country). Its purpose is to ensure order, protect citizens, provide public services (e.g., schools, roads),…
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vishal was interested in the relationship between a person’s age and th…
C. Observational study
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andrey found that the success rate of the conversation that started wit…
B. The result suggests that greeting potential insurance customers with "Howdy!" will likely be more successful than using "Hiya!"
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andrey works at a call center, selling insurance over the phone. while …
B. Experiment
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5. if you and your sibling jest at the dinner table, are you making a j…
You are making a joke. Because "jest" means to tell jokes or tease playfully, while an argument is a disagreement, so jesting is not an argument. ### Question 6
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roy’s toys received a shipment of 100,000 rubber duckies from the facto…
A. Sample study
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2. what does the word \haunt\ most closely mean in paragraph 20? a. a p…
A. a place frequented by a group
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thursday 5/11/25 a suffix is a word part that is added to the end of a …
New word: **dependable** Sentence: *"She is a dependable friend who always keeps her promises."*
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question 23 a speaker can use statistics to appeal to logos. true false
True
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the data in the table represent the tuition for all 2-year community co…
(a) [Frequency ogive plotted as described] (b) A (or the specific option matching the cumulative relative frequency pattern)
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the data in the table represent the tuition for all 2-year community co…
(for part (a) - identifying the frequency ogive): D
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4.) tim earned 75% of the possible points on a 20-point test. how many …
15
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the data in the table represent the tuition for all 2 - year community …
### Part (a): Cumulative Frequency Distribution First, we need to find the total number of community colleges. Let's sum up the frequencies: \(22 + 90 + 102 + 106 + 108 + 106 + 10…
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the tower of babel means ziggurat true false
True
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the mayor wants to know how the people of the city feel about a bottle …
A. all the people in the city
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the data set represents wait times (in minutes) for various services at…
# Explanation: ## Step1: Count the total number of data points First, we count how many data points there are. Let's list out the data: 26, 5, 3, 4, 7, 6, 10, 9, 10, 20, 18, 3, 20…
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which statement from \aint i a woman?\ is an example of pathos? - well,…
I have borne thirteen children, and seen most all sold off to slavery, and when I cried out with my mother’s grief, none but Jesus heard me!
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the root junc means join. what does the word adjunct mean? something th…
something that is added to another thing
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the root pens means weigh out or distribute. what does the word indispe…
not capable of being done without or given away
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read the sentence. when he gave his speech to younger audiences, jake k…
- using good judgment - being cautious - ensuring appropriateness
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discussion questions directions: brainstorm your answers to the followi…
"Coming of age" involves maturity and responsibility; losing innocence (realizing harsh truths) may be part of it, but whether necessary for adulthood is debatable. For question 2…
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drag the tiles to the correct boxes to complete the pairs. match each d…
- "The translation device gave a literal translation" - reproduced word for word - "Equality in the literal sense is unreasonable" - sticking to the primary meaning of a term - "T…
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what does the root cand mean in the word candescent? the candescent qua…
glowing
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find the equation for the least squares regression line of the data des…
The equation of the least - squares regression line is \(y = 3.190x+75.448\) (rounded to the nearest thousandth)
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use the percentiles flow chart interactive to answer the following ques…
C. The IQ score that is midway between the 45th and 46th scores in the sorted list.
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use the accompanying radiation levels (w/kg) for 50 different cell phon…
0.925
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in designing a work desk, it is found that males have sitting knee heig…
To solve this problem, we use the range rule of thumb, which states that significant values are typically outside the range of \( \text{mean} - 2 \times \text{standard deviation} …
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listed below are the amounts (dollars) it costs for marriage proposal p…
B. Yes, the largest amounts are much higher than the rest of the data, and appear to be outliers. It is likely that these are having a large effect on the measures of variation.
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below are the jersey numbers of 11 players randomly selected from a foo…
B. Jersey numbers are nominal data that are just replacements for names, so the resulting statistics are meaningless.
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identify the symbols used for each of the following: (a) sample standar…
### Part 1: Identifying Symbols #### a. Sample Standard Deviation The symbol for sample standard deviation is \( s \). This is a well - known statistic notation where \( s \) is u…
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a random sample of 10 subjects have weights with a standard deviation o…
$105.9520\space kg^2$
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pablo is reading a book about birds. according to his book, the median …
The ostriches studied typically weighed \(\boldsymbol{\text{more than}}\) the emus. Also, the ostriches had \(\boldsymbol{\text{more}}\) variability in weight compared to the emus.
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based on the two data sets represented below, complete the following se…
The median of Data Set T is greater than the median of Data Set U. The maximum of Data Set T is greater than the maximum of Data Set U.
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find the mean of the data set shown in the table below. data set c: 1.7…
1.29