A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x= 760 and the sample standard deviation is s= 20. Use appendix D to find the values of students t. a.) construct an interval estimate of u with 99% confidence ( round answer 3 decimal places. ) b.) construct an interval estimate of u with 99% confidence , assuming that s= 40. ( round answer to 3 decimal places.
A random sample of 15 items is drawn from a population whose standard deviation is unknown. The sample mean is x= 760 and the sample standard deviation is s= 20. Use appendix D to find the values of students t. a.) construct an interval estimate of u with 99% confidence ( round answer 3 decimal places. ) b.) construct an interval estimate of u with 99% confidence , assuming that s= 40. ( round answer to 3 decimal places.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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A random sample of 15 items is drawn from
a population whose standard deviation is unknown. The sample mean is x= 760 and the sample standard deviation is s= 20. Use appendix D to find the values of students t.
a.) construct an
b.) construct an interval estimate of u with 99% confidence , assuming that s= 40. ( round answer to 3 decimal places.
c.) construct an interval estimate of u with 99% confidence, assuming that s= 80. ( round your answers to 3 decimal places
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