1.

A real estate agent compares the selling prices of homes in two suurbs of Seattle to see whether there is a significant difference in price. The results of the study are shown below.

Suburb 1 Suburb 2

x

$63,255, $60,102

s

$5,602 , $4,731

n

35, 40

Find the p-value for the test and round to 4 significant decimal places.

2.Using the data in Question 10, find the 99% confidence interval for the difference in means. Put your answers in (a, b) form and round to 3 significant decimals.

3.Using the data from Question 6, what is the 95% confidence interval for the true difference in means. Put your answers in interval form, i.e. (a, b) and round your answers to 3 decimal places.

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