Multiple Choice
Crownfashions.com wants to estimate the average time that visitors to its website spend browsing the site.In a random sample of 49 visits this week, average browsing time is 13.6 minutes.Assume you know the population standard deviation is 5.2 minutes.Construct an 80% confidence interval estimate of average browsing time for the population of crownfashion.com visitors this week.Report the upper bound for your interval.
A) 15.96
B) 18.21
C) 16.13
D) 15.27
E) 14.55
Correct Answer:
Verified
Correct Answer:
Verified
Q101: In a random sample of 12 calls
Q102: Crawford Retailing has 6 sales reps, designated
Q103: Which of the following is a NOT
Q104: In order to qualify as a source
Q105: _ is a sampling method that ensures
Q107: Educational Research plans a study to estimate
Q108: A simple random sample of size n
Q109: In a study of monthly household expenditures
Q110: What is the margin of error?<br>A)the standard
Q111: The sampling error is the:<br>A)same as the