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Author Question: In testing the hypotheses H0: = 50 vs. H1: < 50, we found that the standardized test statistic ... (Read 70 times)

TFauchery

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on: Jun 24, 2018
In testing the hypotheses H0:  = 50 vs. H1:  < 50, we found that the standardized test statistic is z = -1.59 . Calculate the p-value, and state your conclusion if  = .025.

Question 2

Consider the following data set: 2.2, 2.3, 2.3, 2.5, 2.6, 2.7, 2.8, 2.8, 2.8, 2.9, 3.1, 3.2, and 3.5 . The rank assigned to the three observations of value 2.8 is:
 a. 6 c. 8
  b. 7 d. 9


itsakadoozi

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Reply #1 on: Jun 24, 2018
Answer to Question 1

p-value = 0.0559 > . Fail to reject H0 . Insufficient evidence to say the population mean is less than 50.

Answer to Question 2

C


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