Use the Following to Answer the Questions Below

Multiple Choice

Use the following to answer the questions below:
Students in a large lecture class want to know who has, on average, more Facebook friends, male or female students. The data for the students are displayed in the provided dotplots and summary statistics are available in the provided table.

-Construct a 95% confidence interval for the difference in mean number of Facebook friends for male and female students at this university. Use two decimal places in your margin of error.

A) -40.62 to 166.22
B) -22.43 to 148.03
C) -38.75 to 164.35
D) -33.95 to 159.55