Managerial Statistics Homework Application 1.docx

Managerial Statistics Homework Application 1.docx

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Sylvia Kayata 16-FA-MANA-3305-N1 Application #1 Pg. # 327 #9.73 a. Decision: Since t > 1.699, reject 0 H . There is enough evidence to conclude that the average force is greater than 1500 pounds. b. In order for the t test to be valid, an independently draw sample size would need to be normally distributed. If the sample size for example was 110, which would be considered relatively immense, the t distribution would be able to provide pretty well approximation to the sampling distribution of the sample mean as long as the population distribution is not very skewed.
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