2.31 For a random sample of 25 students from a very large university, the accompanying table shows...

Question:

2.31 For a random sample of 25 students from a very large university, the accompanying table shows the amount of time (in hours) spent studying for final exams.

Study time 0 6 4 4 6 8 8 6 12 12 6 16 16 6 20 Number of students 3 7 8 5 2

a. Estimate the sample mean study time.

b. Estimate the sample standard deviation.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9780273767060

8th Global Edition

Authors: Paul Newbold, Mr William Carlson, Ms Betty Thorne

Question Posted: