FORESTRY
AGRICULTURAL STATISTICS AND ECONOMICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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You construct a 95% confidence interval for a mean and find it to be 1.1 ± 0.8. Which of the following is true?
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A test of the hypotheses H0:
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A test of the hypotheses H0:
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A test of the hypotheses H0:
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All three tests above would reject H0 at the 0.05 level.
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Explanation:
Detailed explanation-1: -The Z value for 95% confidence is Z=1.96.
Detailed explanation-2: -For a 95% confidence interval, =1−0.95=0.05 = 1 − 0.95 = 0.05, thus 2=0.025 2 = 0.025 .
Detailed explanation-3: -The correct answer is b) 95 out of 100 confidence intervals will contain the population mean.
There is 1 question to complete.