Undergraduates' Test Scores 35 Undergraduate Students Who Completed Two Years of College

question 3

Essay

Undergraduates' Test Scores
35 undergraduate students who completed two years of college were asked to take a basic mathematics test.The mean and standard deviation of their scores were 75.1 and 12.8,respectively.In a random sample of 50 students who only completed high school,the mean and standard deviation of the test scores were 72.1 and 14.6,respectively. ​ ​
-{Undergraduates' Test Scores Narrative} Explain how to use the interval estimate to test the hypotheses.

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Definitions:

Margin of Error

A measure of the uncertainty or potential error in the results of a survey or experiment, often expressed as a plus-minus figure.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values.

Mean Height

The average height of a group of individuals, calculated by summing their heights and dividing by the number of individuals.

Confidence Interval

A spectrum of values obtained from statistics of a sample, which is likely to encompass the actual population parameter at a specific probability level.