MULTIPLE CHOICE. Choose the one alternative that best completes the statement or
ID: 1214308 • Letter: M
Question
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
7.Nintendo Sony would like to test the hypothesis that a difference exists in the average age of users of a Wii, a PlayStation, or an Xbox console game. The following data represent the age of a random sample of Wii, PlayStation, and Xbox users.
Wii
PlayStation
Xbox
37
26
31
31
21
20
47
24
38
29
24
31
36
25
30
The total sum of squares for these observations is .
A) 652.6 B) 594.7 C) 736.0 D) 881.5
8.AutoTrader.com would like to test if a difference exists in the age of three different types of vehicles currently on the road--trucks, cars, and vans. The following data represent the age of a random sample of trucks, cars, and vans.
Trucks
Cars
Vans
12
8
3
8
7
7
9
10
6
11
7
8
The mean square between for these observations is .
A) 16.0 B) 2.0 C) 4.7 D) 5.5
TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false.
9.The Tukey-Kramer multiple comparisons procedure allows us to examine each pair of sample means and to conclude whether or not their respective sample means differ for a one-way ANOVA.
MULTIPLE CHOICE. Choose the one alternative that best completes the statement or answers the question.
10.Consider the partially completed randomized block ANOVA summary table.
Source
Sum of Squares
Degrees of Freedom
Mean Sum of Squares
F
Between
600
3
Block
5
Error
750
Total
2,150
23
The sum of squares block for this ANOVA procedure is .
A) 930 B) 980 C) 1,150 D) 800
Wii
PlayStation
Xbox
37
26
31
31
21
20
47
24
38
29
24
31
36
25
30
Explanation / Answer
a 881.5
b 4.7
c true
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