Statistiques
Analyse de données, distributions de probabilités et tests d'hypothèses.
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here is a data set summarized as a stem-and-leaf plot: 6# | 12224569 7#…
7
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here is a data set summarized as a stem-and-leaf plot: 6# | 12224569 7#…
$32$ ### Sub - question 2: What is the minimum value in the last class?
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the iq scores of 50 students are given below. 108 105 89 105 105 105 91…
| Class | Frequency | |---------|-----------| | 85 - 89 | 7 | | 90 - 94 | 5 | | 95 - 99 | 7 | | 100 - 104| 8 | | 105 - 109| 13 | | 110 - 114| 3 | | 115 - 119| 7 |
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a random sample of 30 male college students was selected, and their hei…
For height 68: Relative Frequency = $\frac{1}{30} \approx 0.03$ (rounded to nearest hundredth). For height 72: Frequency = 4, Relative Frequency = $\frac{4}{30} \approx 0.13$. For…
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a random sample of 30 male college students was selected, and their hei…
### Part (a) - Correcting Relative Frequencies To find the relative frequency, we use the formula: $\text{Relative Frequency} = \frac{\text{Frequency}}{\text{Total Number of Obser…
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what is the probability of a student having dark brown hair in the clas…
A. 14/29
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name thomas paine’s common sense primary source quote from common sense…
To analyze these quotes from *Common Sense*, we'll break down each one: ### 1. First Quote - **Analysis**: Paine argues that tradition (custom) can seem right due to long - held h…
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the following data represents the age of 30 lottery winners. given the …
8 ### Second Sub - Question: Percentage of lottery winners who are 70 years or older
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homework 1 89 2 90 3 91 4 92 5 93 6 94 7 45 8 96 9 97 10 98 11 99 12 10…
s: - New HW Average: \(\boldsymbol{94.5}\) - New Grade: \(\boldsymbol{89.0}\)
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ages number of students 15-18 7 19-22 7 23-26 7 27-30 9 31-34 7 35-38 9…
19.6
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the number of students in the tutoring center was recorded for 22 rando…
5
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which communication style means sharing your thoughts respectfully and …
D. Assertive
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your table. b. n = ? 3. using the following informal histogram, calcula…
s: a. \( \boldsymbol{n = 14} \) b. \( \boldsymbol{\sum X = 48} \) c. \( \boldsymbol{\sum X^{2}=190} \)
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3.5 relations and functions (homework) score: 15/16 answered: 15/16 que…
\( C(8000)=\boldsymbol{41200} \) This value represents: The daily cost when 8000 items are manufactured
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what answer choice provides the correct definition of explicit meaning?…
D. a meaning that is clearly explained (assuming the last option is labeled D; if the options are labeled differently, adjust the label but keep the text. Since the original optio…
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what answer choice provides the correct definition of implicit meaning?…
C. a meaning that must be inferred or assumed (assuming the options are labeled A, B, C, D with the third option being C; if the original options have different labels, adjust acc…
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read the paragraph. the event lasted two days and was even more success…
B. It adds a specific detail about place that is relevant to the text’s topic.
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13. how does the reference to \the men of agincourt\ in line 16 impact …
B. The reference implies that the clerk died a noble death. ### Question 14 (Assuming Part A answer is B)
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which of the following accomplishments is necessary to fulfill transcen…
discovering the meaning of life
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ethnic studies review packet part a: goals of ethnic studies go back to…
To question traditional constructions of knowledge in Ethnic Studies means to critically analyze knowledge systems that are often dominated by the perspectives of powerful or majo…
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giving a test to a group of students, the grades and gender are summari…
0.2857
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the table summarizes results from pedestrian deaths that were caused by…
0.8712
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a group of people were asked if some psychics can help solve murder cas…
0.6973
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use the spinner below to find the probability of getting the following …
0.4167
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3) the probability that a randomly selected person has high blood press…
B. 0.5
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1) a researcher randomly selects 4 fish from among 8 fish in a tank and…
C) 1680
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2) how many license plates can be made using 3 digits followed by 4 let…
B) 456976000
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3) the probability that a randomly selected person has high blood press…
B) .5
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11. more olympics athletes who participate in the shot put, discus thro…
### Similarities: 1. Both groups have a positive, linear relationship between height and weight (as height increases, weight tends to increase, and the relationship is roughly lin…
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3 multiple choice 1 point what event marks the beginning of the narrato…
A. He hands her a strawberry and encourages her to eat it ### Question 4
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e set of axes b. ( y = -\frac{2}{3}x + 3 ) tions. see the math notes in…
The probability of selecting a shape with a right angle is \( \frac{1}{4} \) (or 0.25 or 25%).
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answer the following questions. 1) check all that apply. what are three…
1. interest survey 2. personality profile 3. skills survey ### Sub - Question 2
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do only equations with variables on both sides have no solution? or can…
A. Any equation can have one solution, infinitely many solutions, or no solutions. This does not depend on whether the variable appears on only one side or on both sides.
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the distribution of height for national basketball association (nba) pl…
$3.544$
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read the paragraph from the introduction paragraphs 1-5. both democrats…
B. agreement
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tanner asked 50 students whether they prefer spring or fall. this table…
- Students are more likely to prefer spring than to prefer fall. - Boys are less likely than girls to prefer spring.
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southern atlantic airlines surveyed 150 customers to find out whether t…
(Difference): \( \boxed{24} \)
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1. coral reefs and cell phones identify the explanatory variable and th…
s (Summarized for Each Part): 1. (a) Explanatory: Water temperature; Response: Coral weight gain. (b) No clear explanatory/response (no causal direction). 2. (a) No clear explanat…
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9. what might bias do in historian’s observations? a. create a more bal…
9. D. distort them 10. B. chronology 11. A. historical interpretation 12. D. an ongoing argument about the past 13. A. They allow us to get a glimpse of the lives of Chinese Buddh…
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the movement of the progress bar may be uneven because questions can be…
The game is fair because Hal and Renee have the same probability of drawing a winning letter.
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the movement of the progress bar may be uneven because questions can be…
$\frac{2}{5}$
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the movement of the progress bar may be uneven because questions can be…
Mean, 29.5; Median, 30; Range, 11; Midrange, 29.5 (Wait, let's recalculate correctly. Wait, no, let's do step by step. First, list the data: 24, 25, 27, 27, 28, 31, 33, 35, 35, 35…
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the movement of the progress bar may be uneven because questions can be…
Mean, 29.5; Median, 30; Range, 11; Midrange, 29.5 (Wait, let's recalculate properly. Wait, the data is 24, 25, 27, 27, 28, 31, 33, 35, 35, 35? Wait no, original data: 27, 31, 27, …
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the movement of the progress bar may be uneven because questions can be…
The mean and the median of the set of scores are the same.
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cognitive function and brain mass can be maintained with appropriate me…
True, the brain is like a muscle and can be maintained with mental and physical exercise, including the amount of grey matter.
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which line from \safari day in kenya\ contains an example of assonance?…
D. Not a word speak the tourists, as we fill the teeming jeep (assuming the options are labeled A, B, C, D in order as presented: A. "There!" Someone whispers, and all heads turn;…
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which of the following is the social, psychological, cultural, or physi…
d. Proximity of effect
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approximate the mean of the frequency distribution for the ages of the …
\(40.7\)
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the bar graph shown below shows the results of a survey for the number …
E: The axis labeling is not complete.
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maggie told her roommate sydney that she would be home late. sydney sta…
bypassing
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when an individual proclaims the need for a new car, the person typical…
C. they want something they currently do not have.
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position name one employment position that interests you. position rese…
### Position Data Scientist ### Position Research - **Skills**: Proficiency in programming languages like Python or R, strong understanding of statistics (e.g., hypothesis testing…
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does the richest person in the world face the problem of scarcity? a. n…
C. Yes, because even if you have money you will never be able to satisfy all of your wants and must therefore make choices
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what is the probability of drawing each of the following cards from a s…
s: a. \( \frac{1}{13} \) b. \( \frac{1}{4} \) c. \( \frac{1}{52} \) d. \( \frac{3}{4} \)
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make a line graph with the data. then, answer the question. note: it is…
To create the line graph: ### Step 1: Plot Data Points For each individual, plot (Height, Weight): - A: (155, 60) - B: (150, 59) - C: (168, 85) - D: (190, 85) - E: (182, 78) - F: …
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4. a professor x gave a factoring exam (out of 100) and the class resul…
Unusual, because its z-score ≈2.2 > 2. Usual, because its z-score = -1.8 within [-2,2]. At least approximately 95.1% of students scored between 62.65 and 99.55.
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a supermarket manager estimates that 4% of the canned items in each shi…
1250
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the director of health services is concerned about a possible flu outbr…
\(\frac{13}{17}\) (or if we consider the non - simplified form, \(\frac{39}{51}\), but simplifying gives \(\frac{13}{17}\))
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choose the best answer. many historians use the terms \push factors\ an…
B. Push factors are those which cause a person to leave his home nation. Pull factors are those which cause a person to be attracted to a new place.
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a company manufactures video games with a current defect rate of 0.95%.…
20
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race: why did the roman empire fall? in document __, it states direct q…
To answer the question "Why did the Roman Empire fall?" using the RACE strategy (assuming the document has relevant content, though the specific quote/document isn't fully visible…
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the function g(x)=1.7\\sqrt{x} + 17.0 models the median height, g(x), i…
\( 0.1 \)
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the function $g(x) = 1.7\\sqrt{x} + 17.0$ models the median height, $g(…
0.5
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1-19 one of the ideas that you have explored in previous courses is how…
79 ### Part (b)
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
A. The imagery emphasizes the compassion and authority of the Eldest Magician.
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but what does this definition, that a boundary is an extremity of anyth…
The analysis is about the semantic relationship between "boundary" and "extremity", falling under Linguistics (Arts subfield) to examine word meanings and their connection.
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a positive test actually has a food allergy? use the drop-down menus to…
1. The probability that a child will receive a positive test is 21% (or 0.21). 2. For a child with a positive test, the probability that the child actually has a food allergy is a…
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the dot plot below shows the lengths of 10 new afrobeats songs, rounded…
0.87
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assignment booklet 1 2. write t or f to show whether the statement is t…
T ### Question 2
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answer the following questions. choose the best answer. why was the mig…
D. The White settlers and their assumption of territory meant further displacement for Native Americans, the threat of eradication by disease, and impacted their hunting due to la…
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question 2 1 pts what key elements are essential in the literal meaning…
C. character, setting, plot
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the dot plot shows the number of hours, rounded to the nearest half hou…
The data in the dot plot are symmetric and have a median of 7 hours. Based on the shape of the data, the mean time will be equal to the median time. Therefore, Alexis is incorrect.
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question 1 1 pts what does the literal meaning of a text refer to? the …
C. What actually happens in a story on the surface
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assume that a randomly selected subject is given a bone density test. t…
The probability that a given score is between - 2.09 and 3.59 is approximately \( 0.9815 \), and the correct graph is the one (e.g., option C) with the shaded region between \( z=…
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assume the readings on thermometers are normally distributed with a mea…
0.1355
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“payah kun,” said the eldest magician, meaning, “that is quite right”; …
B. "he breathed upon the great rocks and lumps of earth" C. "the Moon rose big and full over the water" D. "he hopes one day to catch the world"
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theres a roughly linear relationship between the number of times a spec…
The number of times the cricket could be expected to chirp in one minute if it's \( 65^\circ \) F.
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assume that thermometer readings are normally distributed with a mean o…
### Part 1: Choosing the Correct Graph To determine the correct sketch for the probability between \( z = 1.00 \) and \( z = 2.25 \) in a standard normal distribution: - The stand…
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zendayas math teacher finds that theres roughly a linear relationship b…
The number of hours a student should spend on their homework to expect a score of 100 on the quiz.
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1. what is the \divine right of kings?\ 2. ideas in the enlightenment e…
The "Divine Right of Kings" is a doctrine stating a monarch's right to rule comes directly from God, making their authority absolute and unchallengeable by earthly powers. ### Que…
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multiple choice listen what is the difference between connotation and d…
C. Connotation is a word's suggested meaning, and denotation is a word's literal meaning.
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sea devil literary term application (form a) name__________ hk___ iii. …
### III. Fill in the blank 21. **Explanation**: Diction refers to an author's choice of words. The words "gauntly," "noose," and "skeleton" are word choices that create a gloomy t…
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question 9 1 pts imagine we had a distribution where the mean and media…
A. The distribution is symmetrical
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compute the mean, median, and mode for the set of scores shown in the f…
Mean: \( 4.5 \) Mode: \( 4 \) Median: \( 4.5 \)
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vocab game break it down read & respond lyric lab reading me a board bo…
C. The narrator believes that his father shares some qualities with Cullinans.
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milford lumber company ships construction materials from three wood - p…
The minimum total distribution cost is \(\$6603\) (the values of \( x_{ij} \) are as calculated above: \( x_{11} = 0,x_{12}=400,x_{13}=110,x_{21}=190,x_{22}=0,x_{23}=100,x_{31}=0,…
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1. choose the word in each group that doesnt belong: otra leche juga ro…
Leche ### Question 2: Fill in the blank with the correct answer. ¿Qué ______ to para la clase?
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9. ____ means that everyone in the population has the same likelihood o…
D. random sampling ### Question 10
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6. longitudinal research is complicated by high rates of: a. deception …
C. attrition ### Question 7
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or each word. hint: a dictionary might come in handy. thin congregation…
To solve this, we need to find synonyms (as hinted by the handwritten "synonyms") for each word. Let's analyze each pair: ### 1. Thin We look for a word with a similar meaning. "T…
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company ships construction materials from three wood - processing plant…
The total distribution cost at the optimal solution is \(\boldsymbol{\$10,241}\) (rounded to the nearest dollar).
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10. a video game allows you to create a character by choosing a species…
240
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9. a security code is made up of 3 digits followed by 4 letters. digits…
$17576000$
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choose the best answer. actor ______ assassinated president lincoln. ○ …
B. John Wilkes Booth ### Second Question:
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9. a smartphone lets you set a 4-digit passcode using the digits 0–9. d…
10000
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roots, prefixes, and suffixes root: aero definition:
The root "aero" means "air" or "atmosphere".
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supply chain design ord lumber company ships construction materials fro…
\( \$6453 \)
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7. your locker has a combination lock. the combination consists of a sp…
216000
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find an example of figurative language in \basketball rules #1\ (20) ty…
To solve these problems, we need to analyze each text ("Basketball Rule #1", "At the End of Warm - ups, My Brother Tries to Dunk", "Josh’s Play - by - play", "Ode to My Hair", "Th…
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7. your locker has a combination lock. the combination consists of a sp…
10000