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What is the relationship between the number of minutes per day a woman spends talking on the phone and the woman's weight? The time on the phone and weight for 9 women are shown in the table below. Time 45 57 25 68 51 15 12 48 36 Pounds 120 139 113 162 129 117 110 132 132 a. Find the correlation coefficient: T = Round to 2 decimal places. b. The null and alternative hypotheses for correlation are: Ho: ?v 0 H1 : ?v The p-value is: (Round to four decimal places) c. Use a level of significance of a = 0.05 to state the conclusion of the hypothesis test in the context of the study. There is statistically insignificant evidence to conclude that a woman who spends more time on the phone will weigh more than a woman who spends less time on the phone. There is statistically significant evidence to conclude that there is a correlation between the time women spend on the phone and their weight. Thus, the regression line is useful. There is statistically insignificant evidence to conclude that there is a correlation between the time women spend on the phone and their weight. Thus, the use of the regression line is not appropriate. O There is statistically significant evidence to conclude that a woman who spends more time on the phone will weigh more than a woman who spends less time on the phone. d. 72 = (Round to two decimal places) e. Interpret T2 : Given any group of women who all weight the same amount, 76% of all of these women will weigh the predicted amount. 76% of all women will have the average weight. There is a large variation in women's weight, but if you only look at women with a fixed weight. this variation on average is reduced by 76% O a