This paper circulates around the core theme of Are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians? together with its essential aspects. It has been reviewed and purchased by the majority of students thus, this paper is rated 4.8 out of 5 points by the students. In addition to this, the price of this paper commences from £ 99. To get this paper written from the scratch, order this assignment now. 100% confidential, 100% plagiarism-free.
Use the following information to answer the next three exercises.Suppose
a group is interested in determining whether teenagers obtain their
drivers licenses at approximately the same average age across the
country. Suppose that the following data are randomly collected from
five teenagers in each region of the country. The numbers represent the
age at which teenagers obtained their drivers licenses.
|
Northeast
|
South
|
West
|
Central
|
East
|
|
16.3
|
16.9
|
16.4
|
16.2
|
17.1
|
|
16.1
|
16.5
|
16.5
|
16.6
|
17.2
|
|
16.4
|
16.4
|
16.6
|
16.5
|
16.6
|
|
16.5
|
16.2
|
16.1
|
16.4
|
16.8
|
? =
|
________
|
________
|
________
|
________
|
________
|
S2 =
|
________
|
________
|
________
|
________
|
________
|
H0:?1 =?2 =?3 =?4 =?5
H?: At least any two of the group means?1,?2, …,?5 are not equal.
61.degrees of freedom – numerator:df(num) = _________
63.Fstatistic = ________
69.A researcher wants to know if the mean times (in minutes) that people watch their favorite news station are the same.
CNN
|
FOX
|
LOCAL
|
45
|
15
|
72
|
12
|
43
|
37
|
18
|
68
|
56
|
38
|
50
|
60
|
23
|
31
|
51
|
35
|
22
|
|
Suppose thatTable 13.24shows the results of a study.
Assume that all distributions are normal, the four population
standard deviations are approximately the same, and the data were
collected independently and randomly. Use a level of significance of
0.05.
71.Are the mean number of times a month a person eats out the same for whites, blacks, Hispanics and Asians? Suppose thatTable 13.26shows the results of a study.
WHITE
|
BLACK
|
HISPANIC
|
ASIAN
|
6
|
4
|
7
|
8
|
8
|
1
|
3
|
3
|
2
|
5
|
5
|
5
|
4
|
2
|
4
|
1
|
6
|
|
6
|
7
|
Assume that all distributions are normal, the four population
standard deviations are approximately the same, and the data were
collected independently and randomly. Use a level of significance of
0.05.