Population 1 Population 2 Population 2 Population 3 Population 3 9.73 12.54 10.57 13.84 11.34 10.74 9.74 13.57 9.71 Population 4 7.54 9.14 4.74 Construct an ANOVA table to assess the null-hypothesis that all four pop- ulations have the same mean at significance level a = 0.05. Also construct simultaneous confidence intervals for the differences of the means.

Construct a stem-and-leaf display for the following data. Use a leaf unit of 10. Note: if there is nothing to fill in the box, you should leave it empty. If your answer is "zero" enter "0". 1,369 1,770 1,108 1,691 11 12 13 14 15 16 17 1,344 1,246 1,561 1,121 1000000 0000000 0000000 1,771 1,147 1,120 1,313 1,236 1,728 1,556 1,664

A. Refer to the data and solve for the required measures of position. The following are the grades of 25 students in the first marking period of their Calculus I class. 65, 68, 70, 71, 73, 75, 75, 76, 78, 78, 79, 80, 83, 85, 87, 88, 89, 90, 90, 91, 93, 94, 95, 95, 97

Consider the following data set: i X 1 -4 23410 5 -2 0 2 4 Y₁ -10.672 -6.428 -2.242 1.946 7.596

Construct an ordered stem and leaf display for the following data. 91 104 90 109 118 89 116 127 107 98 100 96 92 114 95 122 Complete the ordered stem and leaf diagram below. 10 11 12

Construct a stem-and-leaf display for the following data. Use a leaf unit of . Note: if there is nothing to fill in the box, you should leave it empty. If your answer is “zero” enter “0”. 1,543 1,299 1,103 1,557 1,153 1,650 1,190 1,279 1,593 1,416 1,104 1,269 1,665 1,679

Given the following data: 7, 11, 19, 8, 9, 20, 17, and 16. Identify the range 7. 8.5 O 13.5 O 9.5 13

1. Find the value of Q₁ for this data: 2, 4, 6, 8, 10, 12, 14 O A 4 B.5 O c.8 OD. 12