As the sample size increases, the standard deviation of the sampling distributio

Question

As the sample size increases, the standard deviation of the sampling distribution of the sample mean: A) increases B) decreases C) remains the same D) Unable to determine If you divide the number of elements in a population with a specific characteristic by the total number of elements in the population, the dividend is the population: A) mean B) proportion C) distribution D) sampling distribution The values assigned to a population parameter based on the value(s) of a sample statistic are: A)the probabilities C) a sampling distribution B) the probability D) distribution estimate(s) When making a confidence interval for the population mean using the t procedures, the degrees of freedom for the t distribution are: A) n B) n - 2 C) n + 1 D)n - 1 The single value of a sample statistic that we assign to the population parameter is a: A) single estimate B) unique estimate C) point estimate D) singular estimate The value of t for 19 degrees of freedom and a 98% confidence interval is: A) 2.861 B) 2.539 C) -2.539 D) 1.328 The standard deviation of the sampling distribution of the sample proportion is equal to: A) the population standard deviation divided by the squareroot of n B) the population standard deviation divided by n C) the squareroot of pq/n D) pq/n

Explanation / Answer

10. Correct Answer: option (B)

11.   Correct Answer: option (B)

12. Correct Answer: option (D)

13. Correct Answer: option (D)

14. Correct Answer: option (C)

15. Correct Answer: option (B)

In Excel,

=T.INV.2T(0.02,19)

16. Correct Answer: option (C)

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