This paper circulates around the core theme of Determine whether or not the variance in mileage dri ven is statistically the same among the working class and professional (middle income) groups. Use a 5% significance level. 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.
A grassroots group opposed to a proposed increase in
the gas tax claimed that the increase would hurt working-class people
the most, since they commute the farthest to work. Suppose that the
group randomly surveyed 24 individuals and asked them their daily
one-way commuting mileage. The results are as follows.
WORKING CLASS
|
PROFESSIONAL (MIDDLE INCOME)
|
PROFESSIONAL (WEALTHY)
|
17.8
|
16.5
|
8.5
|
26.7
|
17.4
|
6.3
|
49.4
|
22.0
|
4.6
|
9.4
|
7.4
|
12.6
|
65.4
|
9.4
|
11.0
|
47.1
|
2.1
|
28.6
|
19.5
|
6.4
|
15.4
|
51.2
|
13.9
|
9.3
|
Determine whether or not the variance in mileage dri
ven is statistically the same among the working class and professional (middle income) groups. Use a 5% significance level.