A random sample of 11 items is drawn from a population whose standard deviation is unknown. The sample mean is x=920 and the sample standard deviation is s=25. Use Appendix D to find the values of student's t (c) Construct an interval estimate of u with 95% confidence, assuming that s = 100. (Round your answers to 3 decimal places.)The 95% confidence interval is fromtotes(d) Describe how the confidence interval changes as s increases.O The interval stays the same as s increases.OThe interval gets wider as s increases.OThe interval gets narrower as s increases.< Prev6 of 10Next>90°FINa42nere to searchCip

Given data Random sample 0f 11 items is drawnsample mean is x=920sample standard deviation is s=25

A random sample of 11 items is drawn from a population whose standard deviation is unknown. The sample mean is x=920 and the sample standard deviation is s=25. Use Appendix D to find the values of student's t

A random sample of 11 items is drawn from a population whose standard deviation is unknown. The sample mean is x=920 and the sample standard deviation is s=25. Use Appendix D to find the values of student's t

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.1: Measures Of Center

Problem 9PPS

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.

Question

(c) Construct an interval estimate of u with 95% confidence, assuming that s = 100. (Round your answers to 3 decimal places.)
The 95% confidence interval is from
to
tes
(d) Describe how the confidence interval changes as s increases.
O The interval stays the same as s increases.
OThe interval gets wider as s increases.
OThe interval gets narrower as s increases.
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