(a) Find the distribution of exercise for those who getadequate sleep.ove inio(b) Do the same for those who do not get adequate sleep. 2.103 Exercise and adequate sleep. A survey of 656boys and girls, who were 13 to 18 years old, asked aboutadequate sleep and other health-related behaviors. Therecommended amount of sleep is six to eight hours pernight. 30 In the survey, 59% of the respondents reportedthat they got less than this amount of sleep on schoolnights. An exercise scale was developed and used toclassify the students as above or below the median in thisdomain. Here is the 2 × 2 table of counts with studentsclassified as getting or not getting adequate sleep and bythe exercise variable: Lil, SLEEPiooss diiw enoilatn.adtlonoowiod noisioozzsor ovenolw.ovitipogos ExerciseEnough sleepHighLowYes151115otheareNo148242habitand nonoi

Answered: Image /qna-images/answer/71727229-d9ac-461f-889e-1c62ce6407e1.jpg

Answered: 2.103 Exercise and adequate sleep. A…

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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I need help with something regarding this problem. The National Sleep Foundation recommends that adults aged 18 to 64 get an average of 8 hours of sleep per night. A survey of sleep hours was taken during a Statistics class. The data is listed below: 4, 5, 5, 5, 5.5, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 10, 10 Do we have enough evidence at the 0.05 significance level to say that statistics students tend to get less sleep than the recommended average of 8 hours per night? How would I get the degrees of freedom?
An online shop owner believes that 85% of her customers will want to go into a real store. She surveyed 50 customers and 39 said they want to visit a store. Is the owners claim correct? Use a 0.01 level of significance.
A congressperson wants to come up with a single value to describe the prices of homes in their district. However, their district consists of a few homes that are extremely expensive compared to the others. Which descriptive statistic should they use? a. Range b. Mode c. Median d. Mean
Determine the sample in this research scenario: Dr. Eglovitch wants to know whether type of exercise, running or yoga, improves post-partum depression. One hundred women are recruited from obstetricians’ offices in the Richmond area. Group of answer choices A.100 postpartum women whose depression was measured B.Type of exercise C. Postpartum depression D. All postpartum women
please help me solve this question using excel
4. There are 35 students in a class. Fifteen of them are men and 20 of them are women. The mean height of the men is 69.65 inches, and the mean height of all 35 students is 67.18 inches. What is the mean height of the women?
Help. a. About what percent of women in North Arerica are between 58 and 68.5 inches tall? b. About what percent of women in North America are less than 65 inches tall? c. In what range do the middle 99.7% of women's height lie? d. About what percent of women in North America are at least 61.5 inches tal?
The mean monthly food budget for 53 residents of the local apartment complex is $648 . What is the best point estimate for the mean monthly food budget for all residents of the local apartment complex?
The average grade for a group of students in a statistics exam was 85 points, with a standarddeviation of 3 points.a. What proportion of students have at least 80 points on the exam? b. What proportion of students have less than 80 points on the exam?
An insurance company crashed four cars of the same model at 5 miles per hour. The costs of repair for each of the four crashes were $444, $447, $470, and $207 O. Compute the mean, median, and mode cost of repair. Compute the mean cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mean cost of repair is $ (Round to the nearest cent as needed.) O B. The mean does not exist. Compute the median cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The median cost of repair is $ (Round to the nearest cent as needed.) O B. The median does not exist. Compute the mode cost of repair. Select the correct choice below and, if necessary, fill in the answer box to complete your choice. O A. The mode cost of repair is $ (Round to the nearest cent as needed.) O B. The mode does not exist.

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