Question

1. You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats. You sample 150 men, and 70% own cats. You sample 170 women, and 15% own cats. Find the proportion of the pooled samples, ( p c pc ), as a decimal, rounded to two decimal places.

2.You are performing a left-tailed matched-pairs test with 11 pairs of data.

If α=.01α=.01, find the critical value, to two decimal places.

3.A survey of 39 people was conducted to compare their self-reported height to their actual height. The difference between reported height and actual height was calculated.

You're testing the claim that the mean difference is greater than 0.8.

From the sample, the mean difference was 0.95, with a standard deviation of 0.74.

Calculate the test statistic, rounded to two decimal places

Answer 1