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Author Question: In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample ... (Read 58 times)

Pineapplelove6

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on: Jun 24, 2018
In a lower one-tail hypothesis test situation, the p-value is determined to be 0.2 . If the sample size for this test is 51, the t statistic has a value of
 a. 0.849
  b. -0.849
  c. 1.299
  d. -1.299

Question 2

A simple random sample of 144 items resulted in a sample mean of 1257.85 and a standard deviation of 480 . Develop a 95 confidence interval for the population mean.


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xoxo123

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

B

Answer to Question 2

1179.45 to 1336.25


Pineapplelove6

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

elyse44

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

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