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rom a normal population must be used when_____________. A. The sample size is small. B. Standard deviation is unknown. C. Sample size is small and the standard deviation is unknown. D. Sample size is big and standard deviation is known

rom a normal population must be used when_____________. A. The sample size is small. B. Standard deviation is unknown. C. Sample size is small and the standard deviation is unknown. D. Sample size is big and standard deviation is known

Practical Management Science
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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1. The “t” test for samples from a normal population must be used when_____________.
A. The sample size is small.
B. Standard deviation is unknown.
C. Sample size is small and the standard deviation is unknown.
D. Sample size is big and standard deviation is known

Expert Solution
Step 1: introduction

The t test is a statistical test that is used to assess whether or not there is a significant difference in the meanings of two groups.

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