SCENARIO 10-6 to Investigate the Efficacy of a Diet,a Random Sample of Sample

question 186

Short Answer

SCENARIO 10-6
To investigate the efficacy of a diet,a random sample of 16 male patients is selected from a population of adult males using the diet.The weight of each individual in the sample is taken at the start of the diet and at a medical follow-up 4 weeks later.Assuming that the population of differences in weight before versus after the diet follow a normal distribution,the t-test for related samples can be used to determine if there was a significant decrease in the mean weight during this period.Suppose the mean decrease in weights over all 16 subjects in the study is 3.0 pounds with the standard deviation of differences computed as 6.0 pounds.
-Referring to Scenario 10-6,what is the 95% confidence interval estimate for the mean difference in weight before and after the diet?

---

Definitions:

Macro

A set of commands or instructions grouped together as a single command to automate repetitive tasks in software programs.

Query

A request for data or information from a database.

Control

An element of the user interface, such as a button or slider, that enables users to interact with the software or hardware.

Access Objects

Components within Microsoft Access, such as tables, queries, forms, and reports, used to manage and analyze data.