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When should you use t scores? I. The population is normally distributed and the population standard deviation, o, is known, regardless of the sample size. II. The sample size is less than 30, and the population is not normally distributed. III. The sample size is less than 30, the population is normally distributed and the population standard deviation is NOT known. OI Oll ||| OI and II OI and III II and III II and III

When should you use t scores? I. The population is normally distributed and the population standard deviation, o, is known, regardless of the sample size. II. The sample size is less than 30, and the population is not normally distributed. III. The sample size is less than 30, the population is normally distributed and the population standard deviation is NOT known. OI Oll ||| OI and II OI and III II and III II and III

A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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When should you use t scores? I. The population is normally distributed and the population standard deviation, o, is known, regardless of the sample size. II. The sample size is less than 30, and the population is not normally distributed. III. The sample size is less than 30, the population is normally distributed and the population standard deviation is NOT known. 1 O II ||| OI and II OI and III OII and III OI, II, and III
Transcribed Image Text:When should you use t scores? I. The population is normally distributed and the population standard deviation, o, is known, regardless of the sample size. II. The sample size is less than 30, and the population is not normally distributed. III. The sample size is less than 30, the population is normally distributed and the population standard deviation is NOT known. 1 O II ||| OI and II OI and III OII and III OI, II, and III
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