15. If the obtained value is greater than the critical value, what should you do?
A. Reject the null hypothesis
B. Accept the null hypothesis
Collect more data
D. Revise your hypotheses
查看答案
14. Which of the following is Not an example of a chart/graph?
A. Line chart
B. Frequency distribution
C. Bar graph
D. Pie chart
13. This is another word for “lopsidedness”.
A. Skewness
B. Kurtosis
C. Platykurtic
D. Leptokurtic
12. What is the most basic method of illustrating data?
A. Pie chart
B. Line chart
C. Frequency distribution
D. Bar graph
11. Skewness is used to…
A. Describe the shape of a distribution
B. Describe the variation in a distribution
C. Describe the average of a distribution
Describe correlations between distributions
微信支付 
支付宝支付