Answered: Do college students enjoy playing…

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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Question

Do college students enjoy playing sports less than watching sports? A researcher randomly selected ten college students and asked them to rate playing sports and watching sports on a scale from 1 to 10 with 1 meaning they have no interest and 10 meaning they absolutely love it. The results of the study are shown below.

Playing vs. Watching Sports Data

Play	Watch
7	8
10	10
2	4
6	4
2	6
1	2
1	4
5	6
1	2
7	9

Assume a each population is normally distributed. What can be concluded at the α = 0.10 level of the significance ?(Let d = play - watch.)

For this study, what sampling distribution should be used? Select an answer standard normal distribution binomial distribution uniform distribution Student t distribution

The null and alternative hypotheses would be:

H0:H0: Select an answer μd μ1-μ2 μ p1-p2 p Select an answer = < > ≠ (please enter a decimal)

H1:H1: Select an answer μ p1-p2 p μd μ1-μ2 Select an answer < > = ≠ (Please enter a decimal)

The test statistic? t z = (please show your answer to 3 decimal places.)

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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