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Author Question: In hypothesis testing if the null hypothesis is rejected, a. no conclusions can be drawn from the ... (Read 529 times)

SGallaher96

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on: Jun 24, 2018
In hypothesis testing if the null hypothesis is rejected,
 a. no conclusions can be drawn from the test
  b. the alternative hypothesis is true
  c. the data must have been accumulated incorrectly
  d. the sample size has been too small

Question 2

In order to determine the average weight of carry-on luggage by passengers in airplanes, a sample of 16 pieces of carry-on luggage was weighed. The average weight was 20 pounds. Assume that we know the standard deviation of the population to be 8 pounds.
 a. Determine a 97 confidence interval estimate for the mean weight of the carry-on luggage.
  b. Determine a 95 confidence interval estimate for the mean weight of the carry-on luggage.


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ntsoane kedibone

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

B

Answer to Question 2

a. 15.66 to 24.34
b. 16.08 to 23.92


SGallaher96

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

at

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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