Instruction 10-12 Two Samples Each of Size 25 Are Taken from Independent

question 76

Short Answer

Instruction 10-12
Two samples each of size 25 are taken from independent populations assumed to be normally distributed with equal variances.The first sample has a mean of 35.5 and standard deviation of 3.0 while the second sample has a mean of 33.0 and standard deviation of 4.0.
-Referring to Instruction 10-12,what is the 90% confidence interval estimate for the difference in the two means?

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Definitions:

Equal Chance

The concept that every outcome of a particular experiment or event has the same probability of occurring.

Target Population

The entire group about which a researcher intends to generalize the findings from a study.

Sampled Population

The sampled population refers to the subset of a population that is selected for analysis in a study, representative of the larger group to derive conclusions about it.

Bias

A systematic error or deviation in results or inferences from the truth, often resulting from process flaws or assumptions that affect the validity of results.