What is the mean score for Evangelical Christians? _____________
What is the mean score for everyone else? _____________
What is the null hypothesis?
Using a difference of means analysis (show your work on a separate page), what is the standard error for the difference of means?
_________________
With a 95% level of confidence, can we reject the null hypothesis? Explain your answer in a sentence or two.
The Humane Society of the United States conducts a survey of 500 Americans asking whether they support a federal ban on dog fighting. Of that 500-person sample, 53% say they support a ban on dog fighting.
What is the margin of error (assuming we want 95% confidence levels) of our survey?
Are we statistically confident that a majority of Americans support the dog fighting ban?