Confidence Interval Mathematics & Economics Statistics Project (Statistics Project Sample)
In the Topic 1 Assignment, you compared the BMI values from Data Set 1 (in the appendix of the textbook) from a perspective of measuring the center and variation of the data. Chapters 5 and 6 in the textbook allow you to use more sophisticated tools to estimate the parameters of a population.
Refer to Data Set 1 in Appendix B and use the sample data with Excel and/or SPSS to accomplish the following:
Construct a 99% confidence interval estimate of the mean body mass index for men.
Construct a 99% confidence interval estimate of the mean body mass index for women.
Compare and interpret the results. It is known that men have a mean weight that is greater than the mean weight for women, and the mean height of men is greater than the mean height of women. Do men also have a mean body mass index that is greater than the mean body mass index of women?
The Standard Deviations
Confidence Interval 99 Percent Lower
Confidence Interval 99 Percent Upper
The Interval Width
From this table, it is evident that the 99 percent confidence interval for the mean body mass index for men is 28.280 as the upper value and 23.200 as the lower value.
The Standard Deviations
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