Question: One question asked in the General Social Survey was this: How many e-mails do you send in a day? The results of 928 respondents indicate

One question asked in the General Social Survey was this: “How many e-mails do you send in a day?” The results of 928 respondents indicate that the mean number of e-mails sent in a day is 10.4, with a standard deviation of 28.5.

(a) Given the fact that 1st and ard deviation to the left of the mean results in a negative number of e-mails being sent,what shape would you expect the distribution of e-mails sent to have?

(b) Construct and interpret a 90% confidence interval for the mean number of e-mails sent per day.

Step by Step Solution

3.43 Rating (178 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock

a Since the number of emails sent in a day cannot be neg... View full answer

blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Document Format (1 attachment)

Word file Icon

445-M-S-P-E (268).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!