From the bar graph, we observe differences in the proportion of "very well or somewhat well" responses between the men and women surveyed. We wonder whether or not the difference in proportions between the two groups is significant, and we can use statistics to investigate.
Here are the results of the poll:
poll question chart for likely democratic voters
Prompt (answer all questions)
Check for Normality: Check to see if a normal model is a good fit for the sampling distribution. Recall that this is true only if the expected number of successes and failures in each sample is at least 10. Either document your calculations or explain how you know the expected number of successes and failures in each sample is at least 10.