This document of BUS 308 Week 3 Quiz includes answers to the next questions: 1. Question : There is little difference between the values of ta/2 and Za/2 when the sample size is small. size is large. mean is small. mean is large. standard deviation is small.
2. Question : If the population proportion is .4 with a sample size of 20, then is this sample large enough so that the sampling distribution of is a normal distribution.
True
False
3. Question : For non-normal populations, as the sample size (n) _________, the distribution of sample means approaches a/an __________ distribution. decreases, uniform increases, normal decreases, normal increases, uniform increases, exponential
4. Question : As the sample size ________the variation of the sampling distribution of ___________. decreases, decreases increases, remains the same decreases, remains the same increases, decreases
5. Question : Assuming the same value of a, as the sample size increases, the value of ta/2 approaches the value of Za/2.
True
False
6. Question : If the sampled population has mean 48 and standard deviation 16, then the mean and the standard deviation for the sampling distribution of for n = 16 are
4 and 1.
12 and 4.
48 and 4.
48 and 1.
48 and 16.
True
False
8. Question : As our sample standard deviation increases when all other parts of the confidence interval stay the same, then the confidence interval will become: wider narrower remain the same.
9. Question : When the sample size and sample standard deviation remain the same, a 99% confidence interval for a population mean,
Deadline: ( ), Mathematics - Statistics Need full class for Ashford - BUS 308 If you are hesitating to choose a major, take a few classes in different areas of study. Spending time in them can help you experience them and choose the right one. In addi