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A grocery store manager did a study to Wk ntomen spernd in the store and the amount of money (in dellan) they spend. The resuts of the survey are shown below. 30 99 18 28 15 Time 26 30 Maney 109 102 11 46 Round to 2 dectmal places a Find the correlation coefficlentr b. The null and alternative hyotheses for corretation are He V The p value (Round to four decimal places) C. Ue a level of significance of a0.05 to state the conclusion of the hypothesis test in the context of the study OThere is statistically inignificant evidence to conclude that a cuntomer who spends more time at the store will spend more money than a cuntomer who spends less time at the store. OThere is statisticatly significant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the regression line is useful. OThere is statistically insigrnvificant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the use of the regression line s not appropriate. O There is statistically significant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. (Round to two decimal places) e. Interpret r OR7 of all customers will spend the average amount of money at the store. OThere is a 87% chance that the regression tine witt be a good predictor for the amount of the time spent at the store. money pent at the store

A grocery store manager did a study to Wk ntomen spernd in the store and the amount of money (in dellan) they spend. The resuts of the survey are shown below. 30 99 18 28 15 Time 26 30 Maney 109 102 11 46 Round to 2 dectmal places a Find the correlation coefficlentr b. The null and alternative hyotheses for corretation are He V The p value (Round to four decimal places) C. Ue a level of significance of a0.05 to state the conclusion of the hypothesis test in the context of the study OThere is statistically inignificant evidence to conclude that a cuntomer who spends more time at the store will spend more money than a cuntomer who spends less time at the store. OThere is statisticatly significant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the regression line is useful. OThere is statistically insigrnvificant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the use of the regression line s not appropriate. O There is statistically significant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. (Round to two decimal places) e. Interpret r OR7 of all customers will spend the average amount of money at the store. OThere is a 87% chance that the regression tine witt be a good predictor for the amount of the time spent at the store. money pent at the store

MATLAB: An Introduction with Applications
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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A grocery store manager did a study to Wk ntomen spernd in the store and the amount of money (in dellan) they spend. The resuts of the survey are shown below. 30 99 18 28 15 Time 26 30 Maney 109 102 11 46 Round to 2 dectmal places a Find the correlation coefficlentr b. The null and alternative hyotheses for corretation are He V The p value (Round to four decimal places) C. Ue a level of significance of a0.05 to state the conclusion of the hypothesis test in the context of the study OThere is statistically inignificant evidence to conclude that a cuntomer who spends more time at the store will spend more money than a cuntomer who spends less time at the store. OThere is statisticatly significant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the regression line is useful. OThere is statistically insigrnvificant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the use of the regression line s not appropriate. O There is statistically significant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. (Round to two decimal places) e. Interpret r OR7 of all customers will spend the average amount of money at the store. OThere is a 87% chance that the regression tine witt be a good predictor for the amount of the time spent at the store. money pent at the store
Transcribed Image Text:A grocery store manager did a study to Wk ntomen spernd in the store and the amount of money (in dellan) they spend. The resuts of the survey are shown below. 30 99 18 28 15 Time 26 30 Maney 109 102 11 46 Round to 2 dectmal places a Find the correlation coefficlentr b. The null and alternative hyotheses for corretation are He V The p value (Round to four decimal places) C. Ue a level of significance of a0.05 to state the conclusion of the hypothesis test in the context of the study OThere is statistically inignificant evidence to conclude that a cuntomer who spends more time at the store will spend more money than a cuntomer who spends less time at the store. OThere is statisticatly significant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the regression line is useful. OThere is statistically insigrnvificant evidence to conclude that there is a correlation between the amount of time customers spend at the store and the amount of money that they spend at the store. Thun, the use of the regression line s not appropriate. O There is statistically significant evidence to conclude that a customer who spends more time at the store will spend more money than a customer who spends less time at the store. (Round to two decimal places) e. Interpret r OR7 of all customers will spend the average amount of money at the store. OThere is a 87% chance that the regression tine witt be a good predictor for the amount of the time spent at the store. money pent at the store
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