Question
There is an intelligence test with a known mean () of 200 and standard deviation ()...
There is an intelligence test with a known mean () of 200 and standard deviation () of 20. Calculate and interpret the 95% confidence interval for the mean of all WVSU students based for each problem.
- Sample of 75 students, = 198
- Sample of 110 students, = 210
- Sample of 500 students, = 211
4. Sample of 25 students, = 189
- Sample of 1000 students, = 202
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