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Author Question: In a hypothesis test which of the following can (and should) be determined before collecting data? ... (Read 118 times)

rayancarla1

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  • Posts: 571
on: Jul 24, 2018
In a hypothesis test which of the following can (and should) be determined before collecting data?
 a. The null and alternative hypotheses.
  b. The value of the test statistic.
  c. The p-value.
  d. Whether the test statistic will be positive or negative.

Question 2

In the population of female students, motivation scores follow a normal distribution with an average of 29 and a standard deviation of 4.3 . A random sample of female students is to be taken. They are all asked to answer the motivation questionnaire so that their motivation scores can be determined. If the sample size is 50, what is the probability that the mean score of the female students in the sample will fall below 27?
 a. < 0.0001
  b. 0.0005
  c. 0.0188
  d. 0.3192


kingfahad97

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  • Posts: 308
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


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