a 95% confidence interval for the mean difference in ages of houses in the two neighborhoods was . is this result different from the result of the pooled-t confidence interval? explain why or why not. choose the correct answer below. a. yes. since the standard deviations are fairly close, the two methods will result in essentially the same confidence intervals and hypothesis tests. b. no. since the means are fairly close, the two methods will result in essentially the same confidence intervals and hypothesis tests. c. no. since the standard deviations are fairly close, the two methods will result in essentially the same confidence intervals and hypothesis tests. d. yes. since the means are fairly close, the two methods will result in essentially the same confidence intervals and hypothesis tests.
