f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean of all Grade 9 students. i = 15.2 years and the population variance is 15. a. What is the point estimate for u? D. Find the 95% confidence interval for u. . Find the 99% confidence interval for µ. 3. What conclusions can you make based on each estimate?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
icon
Related questions
Question
f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean
/ot all Grade 9 students. i = 15.2 years and the population variance is 15.
a. What is the point estimate for u?
b. Find the 95% confidence interval for u.
c. Find the 99% confidence interval for u.
d. What conclusions can you make based on each estimate?
Transcribed Image Text:f. A sample of 60 Grade 10 students' ages was obtained to estimate the mean /ot all Grade 9 students. i = 15.2 years and the population variance is 15. a. What is the point estimate for u? b. Find the 95% confidence interval for u. c. Find the 99% confidence interval for u. d. What conclusions can you make based on each estimate?
Expert Solution
steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill