Question
In: Math
Grooming Time. Listed below are times (minutes) spent on hygiene and grooming in the morning (by...
Grooming Time. Listed below are times (minutes) spent on hygiene and grooming in the morning (by randomly selected subjects) (based on data from a Svenska Cellulosa Aktiebolager survey). TAKEN FROM Elementary Statistics 13th ED. BY Mario F Triola; CHPT 2
Data: 0 5 20 22 24 25 25 25 27 27 28 30 30 35 35 40 45
- To construct a frequency distribution with 6 classes, describe how you determine the class width.
- If you want to have 6 classes for the data above, what would the class width be? Show work illustrating how you determined the class width.
- Using lower and upper class limits, list all six classes in increasing order.
- Construct the frequency distribution by determining and listing the corresponding frequency for each class.
- Construct the relative frequency distribution. Using the first class as an example, show how you are determining relative frequency.
- Construct the cumulative frequency distribution.
Solutions
milcah answered 1 year agoRelated Solutions
The table below shows the time in minutes that customers spent waiting in a bank....
The table below shows the time in
minutes that customers
spent waiting in a
bank.
Time (min.)
Frequency
5
7
6-10
8
11-15
9
16-20
4
21-25
6
Calculate the mean, mode and
median [4+4 + 4]
(b) Calculate the
variance.
[5]
(c) Calculate the standard
deviation.
[2]
(d) Calculate the coefficient of
skewness
[3]
(e) Calculate the coefficient of variation.
The values listed below are waiting times? (in minutes) of customers at two different banks. At...
The values listed below are waiting times? (in minutes) of
customers at two different banks. At Bank? A, customers enter a
single waiting line that feeds three teller windows. At Bank? B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A 6.36.3 6.66.6 6.76.7 6.86.8 7.17.1 7.37.3 7.47.4 7.87.8
7.87.8 7.87.8 Bank Upper BBank B 4.24.2 5.45.4 5.85.8 6.26.2 6.76.7
7.77.7 7.77.7 8.68.6 9.39.3 10.010.0 Construct aa...
The values listed below are waiting times (in minutes) of customers at two different banks. At...
The values listed below are waiting times (in minutes) of
customers at two different banks. At Bank A, customers enter a
single waiting line that feeds three teller windows. At Bank B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A 6.4 6.6 6.7 6.8 7.1 7.3 7.4 7.7 7.7 7.7 Bank B 4.1 5.3 5.9
6.2 6.8 7.6 7.6 8.4 9.4 10
Construct a 99% confidence...
The values listed below are waiting times (in minutes) of customers at two different banks. At...
The values listed below are waiting times (in minutes) of
customers at two different banks. At Bank A, customers enter a
single waiting line that feeds three teller windows. At Bank B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A
6.46.4
6.66.6
6.76.7
6.86.8
7.17.1
7.27.2
7.57.5
7.87.8
7.87.8
7.87.8
Bank Upper BBank B
4.24.2
5.35.3
5.85.8
6.16.1
6.76.7
7.87.8
7.87.8
8.48.4
9.49.4
10.010.0
LOADING...
Click...
The values listed below are waiting times (in minutes) of customers at two different banks. At...
The values listed below are waiting times (in minutes) of
customers at two different banks. At Bank A, customers enter a
single waiting line that feeds three teller windows. At Bank B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A 6.5 6.6 6.7 6.8 7.1 7.3 7.6 7.9 7.9 7.9
Bank Upper B 4.3 5.3 5.9 6.2 6.8 7.8 7.8 8.4 9.2 10.0
Construct a 95%...
The values listed below are waiting times (in minutes) of customers at two different banks. At...
The values listed below are waiting times (in minutes) of
customers at two different banks. At Bank A, customers enter a
single waiting line that feeds three teller windows. At Bank B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A
6.5
6.6
6.7
6.8
7.1
7.2
7.5
7.9
7.9
7.9
Bank B
4.2
5.4
5.8
6.2
6.8
7.7
7.7
8.5
9.3
10.00
a) Using Chi-Square critical...
The values listed below are waiting times (in minutes) of customers at two different banks. At...
The values listed below are waiting times (in minutes) of
customers at two different banks. At Bank A, customers enter a
single waiting line that feeds three teller windows. At Bank B,
customers may enter any one of three different lines that have
formed at three teller windows. Answer the following questions.
Bank A
6.46.4
6.66.6
6.76.7
6.86.8
7.17.1
7.37.3
7.47.4
7.97.9
7.97.9
7.97.9
Bank B
4.14.1
5.35.3
5.85.8
6.26.2
6.66.6
7.87.8
7.87.8
8.48.4
9.39.3
10.010.0
Construct a 99% confidence...
The amount of time (minutes) spent at a Smart Centre by 40 shoppers are given below....
The amount of time (minutes) spent at a Smart Centre by 40
shoppers are given below.
40
59
34
25
38
28
28
40
24
41
14
59
52
9
53
27
59
4
22
42
30
43
51
37
36
54
32
44
12
51
44
12
38
40
41
42
35
17
50
39
a. Complete the following frequency
distribution for the data.
Class
Frequency
0 to < 10
10 to < 20
20 to < 30
30...
Listed below are the arrival delay times (in minutes) of randomly selected airplane flights from one...
Listed below are the arrival delay times (in minutes) of
randomly selected airplane flights from one airport to another.
Negative values correspond to flights that arrived early before the
scheduled arrival time, and positive values represent lengths of
delays. Find the range, variance, and standard deviation for the
set of data. Some of the sample values are negative, but can the
standard deviation ever be negative?
−3
−5
−28
−16
−32
−35
−29
Listed below are times(in minutes and seconds) while an athlete rode his bicycle through each mile...
Listed below are times(in minutes and seconds) while an athlete
rode his bicycle through each mile of a 3 mile loop. Use a 0.05
significance level to test the claim that it takes the same time to
ride each of the miles.
Mile 1
3:14
3:24
3:23
3:22
3:21
Mile 2
3:19
3:22
3:21
3:17
3:19
Mile 3
3:34
3:31
3:29
3:31
3:29
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