Question

Nota Ten years ago, the average amount of time a family spent eating supper together was 27.8 minutes. A sociolegist believes and finds the sample average to be 24.307 minutes. The sample data look about bell-shaped. She calculated a test statistic oft- this average hars decreased. She randomly selects a sample of 12 famitiles (a) what is the p-value 7 (b) 1r she conducts the test at significance level Q.0S, what should the condlusion be? (3 decimal places) Do not reject the null hypothesis. There is evidence to indicate that the average time has Reject Do not reject the null decreased at significance level 0.0s. the null hypothesis. There is evidence to indicate that the average time has decreased at significance level o.05. hypothesis. There is not enough evidence to indicate that the average time has decreased at significance level d.os. O Reject the null hypothesis. There is not enough evidence to indicate that the average time has decreased at significance level 0.05, conducts the test at significance level 010, what should the condlusion be Reject the null hypothesis. There is evidence to indicate that the a Reject the null hypothesis. There is not enough evidence to indicate that the Do not reject the null hypothesis. There is not enough evidence to indicate that the a verage time has decreased at significance level 0.10 t average time has decreased at significance level o.10 verage time has decreased at significance level 0 not reject the null hypothesis. There is evidence to indicate that the average ome has decreased at significance level 0.10

Answer 1