THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 26

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
To investigate the effectiveness of a diet,a random sample of 16 female patients is drawn from a population of adult females using the diet.The weight of each individual in the sample is taken at the start and at the end of the diet.Assume that the population of differences in weight before and after the diet follows a normal distribution.Suppose the mean decrease in weights over all 16 subjects in the study is 4.0 pounds with the standard deviation of differences computed as 6.4 pounds.Let µ_x - µ_y = mean weight before the diet - mean weight after the diet.
-In order to test if the diet is effective,what is the value of the test statistic?

• A)2.5
• B)2.0
• C)1.8
• D)1.3

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Definitions:

Patient Responses

The reactions or feedback provided by patients concerning their health, treatment, or care experience.

Patient's Knowledge

The extent of information or understanding a patient has regarding their health condition, treatment options, and preventative measures.

Yes-Or-No Answers

Responses to questions that require a decision or judgment to be made in the form of "yes" or "no".

Hypothetical Questions

These are speculative queries meant to explore possibilities or outcomes that are not based in the current reality but are used for discussion, analysis, or planning purposes.