Statistik
Datenanalyse, Wahrscheinlichkeitsverteilungen und Hypothesentests.
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question 23 of 24 what is the area under the curve for the histogram be…
# Explanation: ## Step1: Recall area formula for histogram bars The area of each bar in a histogram is height times width. Here, the width of each bar is 2 (e.g., from 8 - 10, 10 …
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which best describes the association shown in the scatter plot? variabl…
strong negative
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question 14 of 24 look at the graph and extrapolate how many baskets we…
C. 15
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8. the table on the right, from the statistical abstract of the united …
A. Mean: 111709 B. Standard - deviation: 5019
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which graph shows how data are spread out? a. line graph b. circle grap…
D. Box - and - whisker plot
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question 10 of 24 which graph would be best for the following set of da…
C. Bar graph
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king thranduil of the woodland realm is trying to rescue the kingdom fr…
B. Buy bonds
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look at the graph and interpolate how many baskets were made by the tea…
B. 29
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oscar recorded the amount of his monthly electric bill for the first 11…
E. $121$
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you poll students on whether they prefer hotdogs, chicken fingers, sala…
B. Bar graph
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excerpt from the english renaissance of art by oscar wilde currently, p…
A. He includes it as reasoning to connect a piece of evidence to his thesis statement.
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use this dictionary entry to answer the question. equi- (prefix): equal…
A. balance
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6. (03.02 lc) effective communication to government officials is focuse…
C. actionable
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choose the property that justifies each statement below. possible point…
1. Substitution 2. Transitive 3. Distribution 4. Substitution 5. Division 6. Symmetric 7. Definition of Congruence
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economists use the word marginal to mean an extra or additional benefit…
D. marginal benefit equals marginal cost.
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12. home runs 2012 here is a \back - to - back\ stemplot that shows two…
a) Boxplots are constructed using the five - number summary values calculated above for each league. b) The American League has a slightly lower minimum, a slightly higher maximum…
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question 2 points 3 which of the following statements is/are true about…
A. I and II
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select the correct answer from each drop - down menu. read the excerpt …
the narrator will pretend to enjoy Lisette's brownies.
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select the correct answer from each drop - down menu. read the excerpt …
The underlined figure of speech is an oxymoron. The reader can infer that Lisette's baking is not good, but her kind gesture makes it difficult to be honest about it.
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excerpt from what is an aquarium? by shirley hibberd the term vivarium …
A. She explains how the term aquarium grew from the word vivarium.
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ch 2 in january of 2006, a family moved to a tropical climate. for the …
$10.5$
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ch 2 a violin student records the number of hours she spends practicing…
Question 1: 6.20 hours Question 2: False
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ch 2 which group has the largest spread? textbook costs ($) married gen…
single males
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select the correct answer. if the graphs of the linear equations in a s…
C. There is no solution
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question 16 ch 2 a sample was randomly taken of the salaries of 20 empl…
25% ### Question 2: Based on this boxplot, which of the following statements is TRUE about outliers?
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select the correct answer. what does the word deteriorated mean in the …
C. worsened
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what should a writer avoid when writing a concluding statement? (1 poin…
They should avoid sharing relevant quotes and statistics.
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which federal agency calculates the consumer price index (cpi)? us cens…
B. US Bureau of Labor Statistics
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select the correct answer. glen is planning a research paper about dron…
C. What legal protection do individuals have when someone's drone enters their property?
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4. since vacation travel is a discretionary expense, consumers want to …
a. =SUM(B2:B6) b. =B3/$B$7 c. =SUM(B2:B5) d. =D6/$B$7 e. The proportion of "Poor" ratings among all ratings is 3.5%. f. The sum of "Excellent" and "Very Good" ratings is 1083.
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ch 2 which group has the smallest interquartile range (iqr)? textbook c…
married males
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while exploring a nature park, fabian and jennessis come across a creat…
Strange and disturbing; unnatural in appearance
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ch 2 a violin student records the number of hours she spends practicing…
5.76 hours
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question 11 ch 2* if a distribution is skewed to the left, the mean is …
Question 11: the mean is less than the median. Question 12: 50%
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question 9 ch 1 what is an advantage of histograms over stemplots? the …
Question 9: The dataset can be any size. Question 10: the number of people living in a household, the total household gross income, the ages of household residents
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question 7 ch 1 the purpose of pie charts and bar charts is to help the…
Question 7: help the audience grasp the distribution of the data quickly Question 8: travel time
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ch 1 look at the following histogram of salaries of baseball players. w…
right - skewed
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question 5 ch 1 an appropriate graphical way to display housing (stall,…
B. bar chart
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question 3 ch 1 the sum of the angles in a pie chart is 360 270 180 90 …
Question 3: 360 Question 4: rectangles.
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2. is the mean greater than, less than, or equal to the median? greater…
equal to
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question 1 ch 1 what is an advantage of stem - and - leaf plots (or ste…
The actual data can be extracted from them.
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practice 1b score: 32.67/50 answered: 22/25 question 23 determine what …
- Parameter: b. the number of eligible voters who actually plan to vote - Sample: f. a group of voters in the community who voted, randomly selected - Variable: a. the attendance …
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determine whether the following is an example of a sampling error or a …
Non Sampling Error
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2. is the mean greater than, less than, or equal to the median? greater…
greater than
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as part of a statistics project, charlie would like to collect data on …
D. Both (a) and (c) are correct.
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success criteria i can calculate the rate of change from a graph i can …
Slope refers to the rate of change between the points on a line. For the 4 types of slope: - Positive slope: y - values increase as x - values increase. - Negative slope: y - valu…
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practice 1b score: 24.67/50 answered: 17/25 question 18 a city council …
Simple random sampling
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read the excerpt from \youth activism and animal rights.\ in addition t…
to emphasize the dedication and generosity of young activists
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match the name of the sampling method descriptions given. situations - …
1. d. Stratified 2. c. Convenience 3. a. Cluster 4. e. Systematic 5. b. Simple Random
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1. is the mean greater than, less than, or equal to the median? greater…
greater than
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read the excerpt from \justin lebo.\ on the way home, justin was silent…
D. There are not enough bicycles for the residents of the Kilbarchan Home for Boys
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practice 1b score: 16.67/50 answered: 13/25 question 14 in a study, the…
nominal
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analysis questions directions: answer the following questions and suppo…
Without the actual text for reference, a specific answer cannot be provided. One would need to refer to the relevant paragraphs in the given text to determine the meaning of the c…
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practice 1b score: 14.67/50 answered: 12/25 question 13 i want to exami…
A. Engine size
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which of the following means to put on the uniform? entrenarse ponerse …
Ponerse al uniforme
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30, anderson (1999) was interested in the effects of attention load on …
a. Mean: $9.1$, Median: $5.5$, Mode: $4$ b. Positively skewed c. The median is a more robust measure of central tendency in a skewed distribution as it is not affected by extreme …
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practice 1b score: 9/50 answered: 8/25 question 9 two statistics studen…
All UCLA graduate student apartments in this group of seven buildings.
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practice 1b score: 7/50 answered: 7/25 question 8 because of the diffic…
Length, Weight, Neck Size
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the faculty senate at a large university wanted to know what proportion…
a. all the students at the university. b. all the students enrolled in a statistics class. c. Even though the sample is random, it is not representative of the population of inter…
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find and interpret f(9). f(9) = , which means that 9 years after the or…
$f(9)=0$, which means that 9 years after the original purchase, the refrigerator is worth $\$0$ in resale value.
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select the correct answer. read the adapted excerpt from \cats: their p…
B. According to my survey, cats are generally trustworthy and only tend to steal when they haven't been cared for appropriately (Stables)
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16. a sample of n = 5 scores has a mean of m = 12. if one new score wit…
$\frac{77}{6}\approx12.83$
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practice 1b score: 5/50 answered: 5/25 question 6 a ______ (in its most…
sample survey
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in a study, the data you collect is number of surveys completed and ret…
discrete quantitative data
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determine whether the value is a parameter or statistic. a sample of me…
B. Statistic
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adapted except from art and the handicraftsman by oscar wilde. that the…
"the beauty of art is no mere accident of human life, but an absolute necessity (Wilde)"
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to abuse ye, an to scorn ye. — an to plunder ye like sin. the war had b…
Anti-war sentiment during the 1846 U.S.-Mexican War included Thoreau's tax resistance and "Civil Disobedience," the American Anti-Slavery Society opposing slavery expansion, Lowel…
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e. 1. what situation is represented by the table? tickets sold | money …
1. A fundraising situation where money is raised by selling tickets. 2. 22.5 3. For each additional ticket sold, the amount of money raised increases by $22.5.
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as part of a statistics project, a teacher brings a bag of marbles cont…
1. Experiment 2. The 1000 marbles in the bag 3. The 200 marbles drawn by the student
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practice 1b score: 0/50 answered: 0/25 question 1 two statistics studen…
All UCLA graduate student apartments in the three sampled buildings.
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9. a population of $n = 7$ scores has a mean of $mu = 13$. what is the …
For question 9: 91 For question 10: 6
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the footprints of time by charles bancroft (excerpt from section vi. th…
C. The Romans valued organization and order in all parts of the government.
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select the correct text in the passage. which detail best develops the …
She [Rome] had a genius for producing and preserving a constitution, adding to it by slow degrees, maintaining checks and balances that preserved the machinery in working order
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lives of the noble greeks and romans by plutarch (excerpt) plutarchs li…
including dramatic elements, like dialogue and stage directions
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problems 1. a sample of $n = 9$ scores has $sum x=108$. what is the sam…
12
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what is the purpose of the concluding section of a text? select the two…
To summarize the text, to present evidence and statistics to support the claim
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problems 1. a sample of n = 9 scores has σx = 108. what is the sample m…
1. 12 2. 6 3. 4.5 4. 7 5. (No calculation possible with given information)
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3.2 measures of spread: empirical rule the acme company manufactures wi…
a) 24 ounces, 84 ounces b) 97.35%
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3.2 measures of spread: empirical rule the acme company manufactures wi…
a) 46, 70 b) 81.5 c) 99.5
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question 15(multiple choice worth 1 points) (06.03 lc) simplify $\frac{…
$-\frac{a^{2}}{6b^{3}}$ (corresponding to the second option in the multiple - choice list, assuming the second option is meant to be $-\frac{a^{2}}{6b^{3}}$ as the formatting in t…
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the physical plant at the main campus of a large state university recie…
49.85
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in a mid - size company, the distribution of the number of phone calls …
68
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harisarman indian fairy tale there was a certain brahman in a certain v…
B. It drives home the idea that one's behavior can have unintended effects.
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
D. whimsical
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
The imagery emphasizes the compassion and authority of the Eldest Magician.
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the scatter plot below displays the ages of a group of students and the…
The scatter plot shows several clusters of data.
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read the excerpt from \the crab that played with the sea.\ he went nort…
the repetition of words and patterns the use of animals to tell a magical story
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find the systolic blood pressure for men that represents: (e) the 90th …
4. $x = 34.75$ 5. $x = 12.3$ 6. $z=-0.84$ 7. $z = 0.40$ 3. Lower bound height: 66.18 inches, Upper bound height: 73.51 inches
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why is fossil water considered a non - renewable resource? answer in co…
1. Fossil water is considered a non - renewable resource because it is ancient groundwater that is recharged at an extremely slow rate, much slower than the rate of its usage, and…
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you want to learn about the ferris - wheel riding habits of people, so …
Yes, it is a statistical question because there will be variability in the responses (different people will have ridden the Ferris - wheel a different number of times).
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you asked amusement park visitors the question how many amusement parks…
a number line from 1 to 5
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understanding a dot plot times riding a roller coaster you asked amusem…
3
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more than 340 million people visit theme parks each year. do you think …
How many times did you ride a coaster today?
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because all normal distributions are the same when we standardize, we c…
70.54%
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1) what percent of data is below a z - score of 0.54? standard normal c…
70.54%
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examples: percentages to raw data 7) on the most recent test, a student…
$84.625$
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examples: percentages to raw data 7) on the most recent test, a student…
7. The student's score is 84.625. 8. The minimum price is $7290$ and the maximum price is $9222$.
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examples: percentages to raw data 7) on the most recent test, a student…
84.625
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question 1/4 under the articles of confederation, the meaning of the wo…
A. country...like France or Spain
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the stick game, played by various native american tribes, involves drop…
The table with probabilities $\frac{21}{50},\frac{18}{50},\frac{6}{50},\frac{5}{50}$ for point - values 2, 3, 5, 10 respectively.