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If we want a 96% confidence interval on population mean with a sample size of 23, find z α/2 or t α/2 Group of answer choices: A) t = 2.183 B) z = 1.96 C) t = 2.177 D) z = 2.05

Essentials of Business Analytics (MindTap Course List)

2nd Edition

ISBN:9781305627734

Author:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Publisher:Jeffrey D. Camm, James J. Cochran, Michael J. Fry, Jeffrey W. Ohlmann, David R. Anderson

Chapter2: Descriptive Statistics

Section: Chapter Questions

Problem 15P: Consider a sample with data values of 53, 55, 70, 58, 64, 57, 53, 69, 57, 68, and 53. Compute the...

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Question

If we want a 96% confidence interval on population mean with a sample size of 23, find z α/2 or t α/2

Group of answer choices:

A) t = 2.183

B) z = 1.96

C) t = 2.177

D) z = 2.05

Definition Definition Number of subjects or observations included in a study. A large sample size typically provides more reliable results and better representation of the population. As sample size and width of confidence interval are inversely related, if the sample size is increased, the width of the confidence interval decreases.

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