Given: Null Hypothesis Is That the Population Mean Is 16

question 47

Multiple Choice

Given: null hypothesis is that the population mean is 16.9 against the alternative hypothesis that the population mean is not equal to 6.9. A random sample of 25 items results in a sample mean of 17.8
And the sample standard deviation is 2.4. It can be assumed that the population is normally distributed. Determine the observed "t" value.

• A) t = 1.88
• B) t = 1.83
• C) t = 1.75
• D) t = 2.21
• E) None of these statements are true

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