People age, the number of hours per week spent on exercise tends to decrease. Here is a random sample comparing are and hours per week of exercise. Assume both variables follow a normal distribution.Test the claim of correlation at the α = 0.05 level of significance. Find the P-value Will the null hypothesis be rejected? Round the regression equation to one decimal place and use it to Age2136414531255061Hours1514612102054

Solution To test hypothesis use t test for correlation.

Answered: People age, the number of hours per…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter4: Equations Of Linear Functions

Section: Chapter Questions

Problem 4SGR

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People age, the number of hours per week spent on exercise tends to decrease. Here is a random sample comparing are and hours per week of exercise. Assume both variables follow a normal distribution.

Test the claim of correlation at the α = 0.05 level of significance. Find the P-value
Will the null hypothesis be rejected?
Round the regression equation to one decimal place and use it to

Age	21	36	41	45	31	25	50	61
Hours	15	14	6	12	10	20	5	4

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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