Question
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean...
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 52.2 degrees.
Low Temp (°F) Frequency
40-44 1
45-49 5
50-54 11
55-59 5
60-64 2
Homework Answers
Answer #1
 |
 |
 |
 |
| 40-44 | 1 | 42 | 42 |
| 45-49 | 5 | 47 | 235 |
| 50-54 | 11 | 52 | 572 |
| 55-59 | 5 | 57 | 285 |
| 60-64 | 2 | 62 | 124 |
 |
 |
Not the answer you're looking for?
Similar Questions
Find the measures of center for the following: Data Frequency 30-34 2 35-39 4 40-44 6...
Find the measures of center for the following:
Data Frequency
30-34
2
35-39
4
40-44
6
45-49
11
50-54
18
55-59
15
60-64
11
65-69
1
70-74
5
mode=
median=
mean (round to 4 decimal places)=
4) Based on the frequency distribution below, what would the cut-off score be if only the...
4)
Based on the frequency distribution below, what would the
cut-off score be if only the top 10% of students received a
prize?
SCORE
FREQ.
60-64
5
55-59
9
50-54
12
45-49
17
40-44
18
35-39
11
30-34
6
Select one:
( ) a. 58
( ) b. 55
( ) c. 54
( ) d. 23
( ) e. 35
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below...
Find the standard deviation, s, of sample data summarized in
the frequency distribution table given below by using the formula
below, where x represents the class midpoint, f represents the
class frequency, and n represents the total number of sample
values. Also, compare the computed standard deviation to the
standard deviation obtained from the original list of data values,
9.0.
Interval
30-36
37-43
44-50
51-57
58-64
65-71
Frequency
5
21
35
20
5
3
Standard deviation= ___ (Round to one...
.Given this data, what is the mean, median and mode? Show how you got the results...
.Given this data, what is the mean, median and mode? Show how
you got the results (formulas). Use Excel or another program to
create a bar chart and explain the chart in words.
Age
Number (frequency) of cases of Disease x
40-44
2
45-49
7
50-54
13
55-59
12
60-64
7
65-69
3
4.) Find the measures of center for following. Data Frequency 40 - 44 13 45 -...
4.) Find the measures of center for following.
Data
Frequency
40 - 44
13
45 - 49
18
50 - 54
15
55 - 59
10
60 - 64
6
65 - 69
6
70 - 74
4
75 - 79
1
80 - 84
2
5.) Adult men have heights with a mean of 69.0 inches and a
standard deviation of 2.8 inches. Find the z-score of a man who is
62.5 inches tall. (to 4 decimal places)
Find the standard deviation, s, of sample data summarized in the frequency distribution table below by...
Find the standard deviation, s, of sample data summarized in
the frequency distribution table below by using the formula below,
where x represents the class midpoint, f represents the class
frequency, and n represents the total number of sample values.
Also, compare the computed standard deviation to the standard
deviation obtained from the original list of data values,
11.1
sequals=StartRoot StartFraction n left bracket Summation from
nothing to nothing left parenthesis f times x squared right
parenthesis right bracket minus...
Find the standard deviation, s, of sample data summarized in the frequency distribution table given below...
Find the standard deviation, s, of sample data summarized in
the frequency distribution table given below by using the formula
below, where x represents the class midpoint, f represents the
class frequency, and n represents the total number of sample
values. Also, compare the computed standard deviation to the
standard deviation obtained from the original list of data values,
9.0.
Interval
2020-2929
3030-3939
4040-4949
5050-5959
6060-6969
7070-79
Frequency
55
2424
4242
1616
77
2
Standard deviation = ? (Round to...
1.) In a mid-size company, the distribution of the number of phone calls answered each day...
1.) In a mid-size company, the distribution of the number of
phone calls answered each day by each of the 12 receptionists is
bell-shaped and has a mean of 48 and a standard deviation of 5.
Using the empirical rule, what is the approximate percentage of
daily phone calls numbering between 33 and 63?
Do not enter the percent symbol.
ans = %
2.) Approximate the mean for following GFDT.
Data
Frequency
30 - 34
1
35 - 39
1...
The following is the frequency distribution for the speeds of a sample of automobiles traveling on...
The following is the frequency distribution for the speeds of a
sample of automobiles traveling on an interstate highway.
Speed (mph)
Frequency
50−54
2
55−59
4
60−64
5
65−69
10
70−74
9
75−79
5
35
The mean is 67
How to find the Variance?
Complete the tasks and answer the questions below. a. Create a frequency distribution and a histogram...
Complete the tasks and answer the questions below.
a. Create a frequency distribution and a histogram for the
set.
b. Why did you select the class interval you used?
c. Is this distribution skewed? How do you know?
Class interval Frequency
55- 59 7
50- 54 5
45-49 5
40-44 7
35- 39 2
30- 34 3
25- 29 5
20- 24 4
15- 19 5
10- 14 3
5-9 3
0-4 1
ADVERTISEMENT
Need Online Homework Help?
Get Answers For Free
Most questions answered within 1 hours.
ADVERTISEMENT
Active Questions
asked 10 minutes ago
asked 10 minutes ago
asked 10 minutes ago
asked 22 minutes ago
asked 22 minutes ago
asked 23 minutes ago
asked 37 minutes ago
asked 39 minutes ago
asked 41 minutes ago
asked 46 minutes ago
asked 57 minutes ago
asked 57 minutes ago