A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least two decimal places. 14.75 46.12 10.87 40.25 60.50 28.00 28.25 6.94 45.12 13.62 53.81 3.81 43.00 47.50 7.50 75.37 12.00
A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval for the variance and standard deviation for the prices. Assume the variable is normally distributed. Use a TI-83 Plus/TI-84 Plus calculator and round the answer to at least two decimal places. 14.75 46.12 10.87 40.25 60.50 28.00 28.25 6.94 45.12 13.62 53.81 3.81 43.00 47.50 7.50 75.37 12.00
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 13PPS
Related questions
Question
A random sample of stock prices per share (in dollars) is shown. Find the
90%
confidence interval for the variance and standard deviation for the prices. Assume the variable is
14.75
|
46.12
|
10.87
|
40.25
|
60.50
|
28.00
|
28.25
|
6.94
|
45.12
|
13.62
|
53.81
|
3.81
|
43.00
|
47.50
|
7.50
|
75.37
|
12.00
|
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