Discuss a relative frequency distribution

Question

Discuss the below:

1. The Nielsen Home Technology Report provided information about home technology and its usage by persons age 12 and older. The following data are the hours of personal computer usage during one week for a sample of 50 person.

Summarize the data by constructive the following:

A. A frequency distribution (use a class width of 3 hours)
B. A relative frequency distribution
C. A histogram
D. An ogive
E. Comment on what the data indicate about personal computer usage at home.

Data
14
19
24
19
16
20
24
20
21
22
24
18
17
23
26
22
23
25
25
19
18
16
15
24
21
16
19
21
23
20
22
22
16
16
16
12
25
19
24
20

2. Mendelsohn Media Research provided survey data on the annual amount of household purchases by families with an annual income of $75,000 or more (Money, 2001). Assume that the following data from a sample of 25 households show the dollars spent in the past year on books and magazines. Please see the excel attachment.

A. Construct a frequency distribution and relative frequency distribution for the data.
B. Provide a histogram. Comment on the shape of the distribution.
C. Comment on the annual spending on books and magazines for families in the sample.

Amount
280
266
475
42
160
496
119
255
25
123
382
10
379
283
16
202
385
267
110
243
287
135
24
423
363

3. A. Develop a frequency distribution using classes of 12-14, 15-17, 18-20, 21-23, and 24-26.

B. Develop a relative frequency distribution and a percent frequency distribution using the classes in part (a)

Hours
4.1
3.1
4.1
10.8
7.2
1.5
4.8
4.1
2.8
6.1
10.4
2.0
8.8
9.5
5.7
5.9
14.8
5.6
12.9
5.9
3.4
5.4
4.3
12.1
4.7
5.7
4.2
3.3
0.7
3.9
1.6
3.9
7.1
4.0
3.7
6.1
4.1
10.3
9.2
3.1
3.0
11.1
6.2
4.4
6.1
3.7
3.5
7.6
5.7
3.1