Applied Multivariate Statistical Analysis (6th edition) Textbook Solutions Chapter 4 Problem 28
Consider the air-pollution data given in Tables 1.5. Construct a Q–Q plot for the solar radiation measurements and carry out a test for normality based on the correlation coefficient rQ [see (4-31)]. Let α=.05 and use the entry corresponding to n = 40 in Table 4.2.
The Q-Q Plot is shown below:
Since rQ= 0.970 < 0.973 (See Table 4..2 for n = 40 and .a = 0.05) t we would reject the hypothesis of normality at the 5% level.
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