The following random sample from a population whose values were normally distributed was collected.
1081111?
The 95% confidence interval for ? is
A. 8.52 to 11.48.
B. 7.75 to 12.25.
C. 9.25 to 10.75.
D. 8.00 to 10.00.
Answer: B
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What will be an ideal response?
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a. Yes Yes b. Yes No c. No Yes d. No No
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What will be an ideal response?
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