Question

Section 13.5 Exercise 13-T Question Help * A developer wants to know if the houses in two different neighborhoods were built at roughly the same time. She takes a random sample of six houses from each neighborhood and finds their ages from local records. The accompanying table shows the data for each sample (in years). Assume that the data come from a distribution that is Normally distributed. Complete parts a through c below. EEB Click the icon to view the data table. HA: H1-20 Data Table Compute the t-statistic. Let the difference of the sample means be y1-Y2 1.999 Round to three decimal places as needed.) Find the P-value. Neighborhood 1 80 59 51 61 56 49 Neighborhood 2 46 54 53 42 The P-value is 0.0729 Round to four decimal places as needed.) State the conclusion. Recall that α-0.05. 58 Fail to reject Ho. There is insufficient evidence to reject the claim that the mean age of houses is the same in the two neighborhoods Print Done b) Find a 95% confidence interval using the pooled degrees of freedom. Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer.

Answer 1