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Author Question: Suppose a confidence interval for the difference in mean weight loss for two different weight loss ... (Read 153 times)

mpobi80

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on: Jul 24, 2018
Suppose a confidence interval for the difference in mean weight loss for two different weight loss programs (Program 1  Program 2) is entirely above zero. What does this mean?
 a. We can't say with any confidence that there is a difference in mean weight loss for the populations of people on these two programs.
  b. We can say with confidence that there is a difference in mean weight loss for the populations of people on these two programs; further, we can say that the average weight loss on Program 1 is higher.
  c. We can say with confidence that there is a difference in mean weight loss for the populations of people on these two programs; further, we can say that the average weight loss on Program 2 is higher.
  d. None of the above.

Question 2

When researchers conduct a hypothesis test, what general question is being asked and answered regarding the sample versus the population?


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InfiniteSteez

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

B

Answer to Question 2

IS THE RELATIONSHIP OBSERVED IN THE SAMPLE LARGE ENOUGH TO BE CALLED STATISTICALLY SIGNIFICANT IN THE POPULATION?


mpobi80

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Reply #2 on: Jul 24, 2018
TY


InfiniteSteez

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Reply #3 on: Jul 24, 2018
You're welcome


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