Suppose a Researcher Is Interested in Understanding the Variation in the Price

question 33

Multiple Choice

Suppose a researcher is interested in understanding the variation in the price of store brand milk.A random sample of 36 grocery stores selected from a population and the mean price of store brand milk is calculated.The sample mean is $3.13 with a standard deviation of $0.23.Construct a 92% confidence interval to estimate the population mean.

• A) $3.03 to $3.23
• B) $3.12 to $3.14
• C) $3.05 to $3.21
• D) $2.90 to $3.36
• E) $3.06 to $3.20

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