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Author Question: The critical value of t for a two tail test with 6 degrees of freedom is a. 2.447 b. 1.943 c. ... (Read 78 times)

scienceeasy

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on: Jun 24, 2018
The critical value of t for a two tail test with 6 degrees of freedom is
 a. 2.447
  b. 1.943
  c. 2.365
  d. 1.985

Question 2

A sample of 60 students from a large university is taken. The average age in the sample was 22 years with a standard deviation of 6 years. Construct a 95 confidence interval for the average age of the population.


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pangili4

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

A

Answer to Question 2

20.45 to 23.55


scienceeasy

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

parshano

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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