A grocery store manager did a study to look at the relationship between the amount of time (in minutes) customers spend in the store and the amount of money (in dollars) they spend. The results of the survey are shown below. 12 21 14 27 | 10 19 10 16 Time Money 42 87 56 86 31 87 32 56 a. Find the correlation coefficient: r = 0.92 b. The null and alternative hypotheses for correlation are: Ho: pv H: pv Vo Round to 2 decimal places. = 0 # 0 o o The p-value is: 0.0012 o (Round to four decimal places)
A grocery store manager did a study to look at the relationship between the amount of time (in minutes) customers spend in the store and the amount of money (in dollars) they spend. The results of the survey are shown below. 12 21 14 27 | 10 19 10 16 Time Money 42 87 56 86 31 87 32 56 a. Find the correlation coefficient: r = 0.92 b. The null and alternative hypotheses for correlation are: Ho: pv H: pv Vo Round to 2 decimal places. = 0 # 0 o o The p-value is: 0.0012 o (Round to four decimal places)
Chapter4: Linear Functions
Section: Chapter Questions
Problem 30PT: For the following exercises, use Table 4 which shows the percent of unemployed persons 25 years or...
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