Question

The following are distances (in miles) traveled to the workplace by 20 employees of a certain hospital.

7, 2, 37, 32, 27, 22, 16, 11, 6, 1, 10, 10, 10, 5, 5, 40, 40, 40, 34, 34

Draw the histogram for these data using an initial class boundary of 0.5, an ending class boundary of 45.5, and 5 classes of equal width. Note that you can add or remove classes from the figure. Label each class with its endpoints.

Answer #1

The following is a list of P/E ratios (current stock price
divided by company's earnings per share) for 19 companies.
57, 53, 50, 46, 42, 35, 31, 56, 52, 49, 45, 41, 37, 51, 51, 48,
48, 44, 44
Draw the histogram for these data using an initial class
boundary of 30.5and a class width of 6. Note that you can add or
remove classes from the figure. Label each class with its
endpoints.

Consider the following data on distances traveled by 100 people
to visit the local park.
distance
freq
1-8
30
9-16
20
17-24
25
25-32
10
33-40
15
Expand and construct the table adding columns for relative
frequency and cumulative relative frequency. Then plot Histogram,
Frequency Polygon and Ogive Curve.

1. Driving under the influence of alcohol (DUI) is a serious
offense. The following data give the ages, in order,
of a random sample of 50 drivers arrested while driving under the
influence of alcohol. This distribution is based on the age
distribution of DUI arrests given in the Statistical Abstract of
the United States (112th Edition).
16 18 20 21 21 22 22 22 23 24 24 25 26 26 26 27 27 27 29 30 30
31 31...

Certain kinds of tumors tend to recur. The following data
represent the lengths of time, in months, for a tumor to recur
after chemotherapy (Reference: D.P. Byar, Journal of Urology, Vol.
10, pp. 556-561).
19
18
17
1
21
22
54
46
25
49
50
1
59
39
43
39
5
9
38
18
14
45
54
59
46
50
29
12
19
36
38
40
43
41
10
50
41
25
19
39
27
20
For this problem, use...

Cortland Software, Inc. surveyed a sample of its programmers and
recorded the following data on their: age, gender, years of
programming experience, whether or not they have a master’s degree,
and annual salary.
Programmer
Age
Gender
Years of
Experience
Master’s
Degree
Salary
1
32
Male
8
No
$59,450
2
27
Male
2
Yes
62,750
3
31
Female
6
Yes
65,820
4
37
Males
5
No
54,620
5
29
Female
5
Yes
61,900
6
25
Female
4...

What is the probability of finding a sample with a mean of less
than 29,000 miles?
Tire #
Mileage
1
30564
2
28886
3
29822
4
29326
5
31535
6
31880
7
28376
8
29664
9
25001
10
31981
11
31048
12
29672
13
33267
14
31512
15
35228
16
27089
17
31372
18
32749
19
28670
20
31683
21
34551
22
31811
23
29535
24
25741
25
28874
26
28535
27
28444
28
27504
29
32179
30
31491
31...

Using the class sample data, analyze the student heights by
completing the following. Please note the following directions.
The data below was collected from a group of 45 female students
last semester. You will use this data throughout the semester on
your lab assignments.
Student # Gender Height Shoe Age Hand
1 F 68 8.5 20 R
2 F 60 5.5 27 R
3 F 64 7 31 R
4 F 67 7.5 19 R
5 F 65 8 20...

20 women and 30 men between 18 to 60 years old and the
number of hours that they work. These information would be your
populations. For each group find the followings:
20 Women Ages = 19, 23, 40, 18, 60, 50, 21, 30, 33, 28,
33, 35, 28, 24, 28, 18, 19, 22, 25, 50
20 women work hours weekly = 40, 24, 30, 31, 19, 10, 21,
5, 40, 9, 8, 40, 37, 12, 20, 40, 20, 10, 40,...

Let x be the average number of employees in a group
health insurance plan, and let y be the average
administrative cost as a percentage of claims.
x
3
7
15
37
70
y
40
35
30
27
16
(a) Make a scatter diagram of the data and visualize the line
you think best fits the data.
Selection Tool
Line
Ray
Segment
Circle
Vertical Parabola
Horizontal Parabola
Point
No Solution
Help
5
10
15
20
25
30
35
40
45...

Use the data below for Questions 2.5-2. B. Transmission: 1 =
automatic, and 2 = standard. Color: 1 = blue, 2 = tan, 3 = white,
4 = red, 5 = black, and 6 = green.
Subject
Car Color
Miles Driven -Typical Week
Transmission
1
1
51
1
2
1
10
2
3
2
10
2
4
3
24
2
5
4
78
1
6
5
68
2
7
3
50
1
8
2
15
1
9
3
3
1...

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