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Indicate whether the following statements are true or false. a. The appropriate degrees of freedom when using a t-distribution for a single mean is determined
Indicate whether the following statements are true or false. a. The appropriate degrees of freedom when using a t-distribution for a single mean is determined by subtracting 1 from the sample size (i.e., n - 1). TrueFalse b. The sample size is large enough to use formulas based on the Central Limit Theorem to calculate the SE for a mean if n > 5 and the data is right-skewed. TrueFalse c. Even with small sample sizes, we can use formulas based on the Central Limit Theorem to calculate the SE for a mean if the data is relatively normally distributed (i.e., bell-shaped and symmetric). TrueFalse d. We determine if samples are large enough to use formulas based on the Central Limit Theorem for inference for differences in proportions if n1p1 10 and n1(1-p1) 10 and n2p2 10 and n2(1-p2) 10. TrueFalse e. The correct notation for a sample mean when doing inference for a single mean is ("mu"). TrueFalse f. William Sealy Gosset was a chicken salesman from Dubuque. TrueFalse
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