Calculation:

1.

Among all Vermonters who voted in the 2016 presidential election, the proportion who voted for Hillary Clinton was 0.61. Suppose that we are going to select a random sample of Vermonters who voted in the 2016 presidential election and calculate the proportion of people in the sample who voted for Hillary Clinton. If we use a sample size of n=200. What is the standard error of the sample proportion?

Round to 3 decimal places.

Multiple choice:

The American Pet Products Association (APPA) claims that 60% of dog owners have only one dog, 28% have two dogs, and 12% have three or more. Suppose that you have conducted your own survey to determine whether your data is consistent with the APPA study. Your data: Out of 129 dog owners, 73 had one dog, 38 had two dogs, and 18 had three or more dogs.

What type of hypothesis test could be used to determine whether your data are consistent with the proportions reported by the APPA?

A. Chi-square test for independence

B. Chi-square goodness of fit

C. Z-test for difference in proportions

D. Z-test for single proportion