Copy and paste link: https://docs.google.com/spreadsheets/d/1Z61P4UgBWIVHP_0DuMf

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QUESTION 6 10 points Save Answer Is this correlation significant in the population? no yes QUESTION 7 10 points Save Answer Now let's look at the correlation between the of unemployed people and murders per year. calculate r 73 .75 .86 70.7 QUESTION 8 10 points Save Answer Would this correlation be signiticant in the population? yes QUESTION 9 10 points Save Answer If we knew that % unemployed for a city was 6.0 what would we predict the murders per million inhabitants per year should be 57.8 21.03

Explanation / Answer

Question 7

Correlation between % of unepmloyed people nd murders per year

r = 0.864 (option C is the answer)

Question 8

The correlation is significant here.

Question 9

Here the linear regression line is

Murder per year = -28.5267 + 7.07955 * Unemployment rate [calculated in excel]

Here unemployment rate = 6

Murder per year = -28.5267 + 7.07955 * 6 = 13.95

Option A is correct.

Here i left question 6 as it is undefined for what variables, there we want correlation significance.

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