For Exercises 31–34, assume that the data are independently drawn random samples from normal populations.

  1. Verify the equal-variance assumption.
  2. Calculate the following measures:
    1. and
    3. SSTR
    4. SSE
    5. SST
    6. MSTR
    7. MSE
  3. Construct the ANOVA table.
  4. Perform the appropriate one-way ANOVA using level of significance .

Question 12.32

prosdartsanova

32. The professionals versus the Darts. In the Chapter 3 Case Study, we examined stock market returns for professional financial analysts, compared to random darts and the Dow Jones Industrial Average (DJIA). The table contains daily stock market returns.

Pros Darts DJIA
10.6 20.6 4.4
27.8 18.5 11.2
29.1 1.8 3.7
2.2 11.7 17.6
14.1 1.8 0.2