ACCP 5005
Mid-term Exam MC questions Review
1. Determine whether the distribution in the histogram is symmetric, uniform, skewed left, skewed right.
Estimate the position of median and the mean.
2. What are the reasons for sampling versus population?
3. What is a pie graph?
5. Define Statistic versus Population?
6. What are some characteristics of Binomial, Standard Normal and Normal distribution?
7. Distinguish different levels of variables and their examples: Nominal, Ordinal, and Interval.
8. What is the difference between Qualitative and Quantitative variables?
9. Describe the different sampling techniques, include an example for each.
10. Define the difference between Mutually Exclusive events and Independent events.
12. What do the following notations represent?
µ:
σ:
s:
𝑥𝑥:
�
13. What are the central tendency measures, variation measures, and location measure?
15. What is the best point estimate for population mean µ?
16. What is the sampling error/ margin of error?
17. How would the confidence interval change as the level of confidence increases?
18. How would the confidence interval change as the variance increases?
19. How would the confidence interval change as the sample size increases?
20. How does a rejection area changes as the level of significance increases/decreases?
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ACCP 5005
Mid-term Exam MC questions Review
21. If x is Normally distributed, find the following probability:
a. p(z<-0.96)
b. p(z>-0.96)
22. If x is Poisson distributed and 𝜇𝜇 = 3.00, find the following probability:
a. P(x=4)
b. At least 4
c. More than 4
23. If x is Binomial distributed and p= 0.4, n=7, find the following probability:
a. P(x=3)
b. At least 3
c. More than 3
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