The Sample Mean of the Variable Height in a Data

question 40

Multiple Choice

The sample mean of the variable height in a data set was found to be 68 inches, with a standard error of four inches. The researcher reported that the population or true mean height fell within one margin of error of the sample mean, at the 95% confidence level. What is the chance that the true mean is 75 inches or more?

• A) 95%
• B) 2.5%
• C) 5%
• D) 47.5%

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