**The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d).****(a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have?**- **A.** The variable "weekly time spent watching television" is likely symmetric, but not normally distributed.- **B.** The variable "weekly time spent watching television" is likely uniform, not normally distributed.- **C.** The variable "weekly time spent watching television" is likely skewed left, not normally distributed.- **D.** The variable "weekly time spent watching television" is likely skewed right, not normally distributed.- **E.** The variable "weekly time spent watching television" is likely normally distributed.

Answered: Image /qna-images/answer/5a03eda6-619a-473a-933d-11b4641b8810.jpg

Answered: watching uns ieips to delenmine ) Do…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Answer to part d
The number of murders and robberies per 100,000 population for a random selection of states is shown. Is there a linear relationship between the variables? Murders 2.4 2.7 5.6 2.6 2.1 3.3 6.6 5.7 Robberies 25.3 14.3 151.6 91.1 80 49 173 95.8
Complete parts (a) through (h) for the data below. 30 40 50 60 70 80 77 73 66 52 ... (a) By hand, draw a scatter diagram treatıng x as the explanatory vanable and y as the response variable. Choose the correct scatter diagram below. O A. OB. OC. Ay 80- Ax 80- Ay 100- 20+ 20 20+ 80 100 20 80 (b) Find the equation of the line containing the points (40,77) and (70,52). y = (Type integers or simplified fractions.) (c) Graph the line found in part (b) on the scatter diagram. Choose the correct graph below. O A. OB. OC. OD. Ay 100- Ay 80- Ay 100- Q 80- O Time Rem P Type here to search 0 耳 %23 48°F A @
State assumptions of the test. 1. The subjects must be part of a medical study group investigating the drug. II. The subjects in the sample must be randomly selected from a population. III. The sample data must come from a normally distributed population of observations for the variable under study. III only I and II I and II and III I and II 1 pts II and III
不 The data were collected from a statistics class. The column heads give the variable, and each of the rows represents a student in the class. There are observations on how many people? Male Age Eye Shoe Height Color Size (inches) Weight Number (pounds) of Siblings College Units Handedness This Term 0 21 Blue 12 69 160 2 13 Left 0 20 Hazel 9.5 73 165 1 6 Right 0 29 Blue 9 70 145 1 13 Right 1 20 Hazel 7.5 67 210 4 16 Right There are observations on people. (Type a whole number.)
K The following table contains the number of successes and failures for three categories of a variable. Test w level of significance. Category 1 Category 2 Category 3 Failures 67 Successes 84 235 62 27 71 54 A. Ho: The categories of the variable and success and failure are independent. H₁: The categories of the variable and success and failure are dependent. B. Ho: The categories of the variable and success and failure are dependent. H₁: The categories of the variable and success and failure are independent. |OC. H₁ =E₁, and μ₂ = E2 and 3 = E3 H₁: At least one mean is different from what is expected. D. Ho P1 P2 P3 H₁: At least one of the proportions is different from the others. What is the P-value? (Round to three decimal places as needed.)
O O O Less than 8 8. A sample of 400 Goshen households is selected and several variables are recorded. Which of the following statements is correct? * O Total household Income is a ratio level data. Socioeconomic status (recorded as "low income", "middle income", or "high income" is nominal level data. O The number of people living in a household is a continuous variable. O The primary language spoke in the household is ordinal level data.
Need help please!
a.Consider the two variables, High School GPA and Average Annual Earnings in Adulthood. Which isdependent?b. Describe the relationship between High School GPA and Average Annual Earnings in Adulthood. Is thecorrelation positive or negative? (Write at least two sentences.)c. Does a person’s High School GPA cause them to earn a certain salary in adulthood? Explain.
Multiple Choice Question A study took a random sample of adults and asked them about their bedtime habits. The data showed that people who drank a cup of tea before bedtime were more likely to go to sleep earlier than those who didn't drink tea. What was the independent (explanatory variable) in this study? A. Whether or not the person drank tea B. When the person went to sleep C. The adults D. Bedtime habits
use. Do a conclusion about thiS 20.5 "reference" drugs that they imitate. One aspect in which ance times (second received the generic drug first, followed by the reference signed at random to the subjects. Subjects 1 through 10 matched pairs design. Numbers 1 through 20 were as- TABLE 20.5 Absorption extent for two drug first, followed by the generic drug. In all 20.50 Comparing two drugs. Makers of generic drugs must ght-hand and left. reads chow that they do not differ significantly from the Astep "reference" drugs that they imitate. One aspect in which Arugs might differ is their extent of absorption in the klood. Table 20.5 gives data taken from 20 healthy non- smoking male subjects tor one pair of drugs." This is a matched pairs design. Numbers 1 through 20 were as- signed at random to the subjects. Subjects 1 through 10 20. Subject Thread Th Right drug. Subjects 11 through 20 received the reference drug first, followed by the generic drug. In all cases, a washout period separated…
Q3, just parts d, e, f. (posted a, b, c as a different question)

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