Given the Following Test Scores, Find a 95 Percent Confidence

question 56

Multiple Choice

Given the following test scores, find a 95 percent confidence interval for the population mean: 148, 154, 158, 160, 161, 162, 166, 170, 182, 195, 236. Assume population normality.

• A) [155.24, 188.76]
• B) [168.64, 175.36]
• C) [157.25, 186.75]
• D) [116.41, 227.59]

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