Question
Amber Research gathered a sample of 50 people for social research. If the sample means is 100 and the population standard deviation is 25 answer
Amber Research gathered a sample of 50 people for social research. If the sample means is 100 and the population standard deviation is 25 answer the questions below.
- Estimate the population mean with 90% confidence
- Estimate the population mean with 99% confidence
- Describe the effect on the confidence interval estimate of increasing the confidence interval
*****[PLEASE SHOW CALCULATIONS AND FORMULAS...DO NOT USE ANY SOFTWARE********
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Understanding Public Opinion Polls
Authors: Jelke Bethlehem
1st Edition
1498769756, 9781498769754
