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Author Question: A random sample of 25 observations is selected from a normally distributed population. The sample ... (Read 85 times)

sarasara

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A random sample of 25 observations is selected from a normally distributed population. The sample variance is 10 . In the 95 confidence interval for the population variance, the upper limit is:
 a. 19.353
  b. 17.331
  c. 17.110
  d. 6.097

Question 2

In a Friedman test for comparing four populations, provided that there as eight blocks, the test statistic is calculated as Fr = 10.98 . If the test is conducted at the 5 significance level, the conclusion and p-value will be:
 a. reject the null hypothesis, and 0.01 < p-value < 0.025.
  b. reject the null hypothesis, and p-value > 0.025.
  c. do not reject the null hypothesis, and 0.025 < p-value < 0.05.
  d. do not reject the null hypothesis, and p-value > 0.05.



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Bigfoot1984

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Answer to Question 1

A

Answer to Question 2

A




sarasara

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Reply 2 on: Jun 24, 2018
:D TYSM


tranoy

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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