STATISTICAL TECHNIQUES AND TOOLS
T DISTRIBUTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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given df = 30 with 99% confidence find the t-value
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2.753
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2.752
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2.751
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2.750
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Explanation:
Detailed explanation-1: -What if we wanted to be more conservative and construct a 99% confidence interval? The only thing that would change is our multiplier. Now, t ∗ = 2.831 . We are 99% confident that the population mean is between 4.822 and 6.718 hours.
Detailed explanation-2: -The t value for 95% confidence with df = 9 is t = 2.262.
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