Use the grouped data formulas to find the indicated mean or standard deviation. The salaries of...
Use the grouped data formulas to find the indicated mean or standard deviation. The salaries of a random sample of a companyʹs employees are summarized in the frequency distribution below. Approximate the sample mean.
|
Salary ($) |
Employees |
|||||
|
5,001-10,000 |
11 |
|||||
|
10,001-15,000 |
10 |
|||||
|
15,001-20,000 |
18 |
|||||
|
20,001-25,000 |
18 |
|||||
|
25,001-30,000 |
23 |
|||||
A) $17,500 B) $17,550.45 C) $19,500.50 D) 21,450.55
Homework Answers
| Class | Frequency (f) | Mid value (x) | f⋅x |
| 5001-10000 | 11 | 7500.5 | 82505.5 |
| 10001-15000 | 10 | 12500.5 | 125005 |
| 15001-20000 | 18 | 17500.5 | 315009 |
| 20001-25000 | 18 | 22500.5 | 405009 |
| 25001-30000 | 23 | 27500.5 | 632511.5 |
| --- | --- | --- | --- |
| -- | n=80 | -- | ∑f⋅x=1560040 |
=1560040/80
=19500.5
option C is true
Add Answer to:
Use the grouped data formulas to find
the indicated mean or standard deviation. The salaries of...
1. A company had 80 employees whose salaries are summarized in the frequency distribution below. ...
1. A company had 80 employees whose salaries are summarized in
the frequency distribution below.
Find the mean salary.
a. $20,969.30
b. $17,156.70
c. $17,500
d. $19,063.00
Salary ($) Employees 5,001-10,000 10 10,001-15,000 16 15,001-20,000 18 20,001-25,000 11 25,001-30,000 25
QUESTION 5 Find the mean of the data summarized in the given frequency distribution. A company...
QUESTION 5 Find the mean of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the mean salary. Salary (S) Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 20 20 O$18,375.50 $16,53795 $20,213.05 $17-500 28
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the...
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Find the standard deviation of the data summarized in the given frequency distribution. Salary (dollars) Employees $5,001-10,000 16 $10,001-15,000 12 $15,001-20,000 15 $20,001-25,000 11 $25,001-30,000 26
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the...
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary (dollars) |Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 19 14 12 16 19 OA. $8422.8 O B. $7588.1 O C. $7967.5 O D. $8195.1
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A...
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary |Emplovees 5,001-10,000 10,001 15,000 15,001-20,000 20,001- 25,000 25001 30,000 O s 8034.5 O s 7439.4 14 13 17 18 O s 7811.3 O s 8257.7
What is the correct way to do this A company had 80 employees whose salaries are...
What is the correct way to do this
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary (dollars)Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 19 14 12 16 19 O A. $7588.1 OB. $8422.8 O C. $8195.1 O D. $7967.5
Moving to another question will save this response. gestion 8 A company sampled 80 employees whose...
Moving to another question will save this response. gestion 8 A company sampled 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation Salary (dollars) Employees 5,001-10,000 12 10,001-15,000 13 15,001-20,000 14 20,001-25,000 19 25,001-30,000 22 $7887.30 $7105.67 $7461.00 $7674.10 A Moving to another question will save this response MacBook Air 000 esc 20 FI F4 F2 F3
HOMI WORK A company had 80 employees whose salaries are summarized in the frequency distribution below....
HOMI WORK A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. (Round the answer to the nearest tenth) Salary | Employees 0,001 15,000 5,001-20,000 20,001-25,000 5,001-30,000 12 15 26 QUESTION 23 Find the standard deviation for the given data. (Round your final answer to one more decimal place than that used for the observations). The normal monthly precipitation (in inches) 3.5, 1.6, 2.4, 3.7, 4.1, 3.9,1.0,3.6, 4.2, 3.4, 3.7, 22 QUESTION...
The following data were obtained from a salary survey of Canadian laboratory employees in 2006. The...
The following data were obtained from a salary survey of
Canadian laboratory employees in 2006. The salaries were rounded to
the nearest $10,000 and there were 333 respondents.
See picture.
(a) Determine the mean, median, and mode salaries of these lab
employees.
(b) Determine the standard deviation of the average
salaries.
(c) Calculate the skew and kurtosis of this distribution (you
can assume that the population mean and
standard deviation are the same as the sample values).
3. The folowing...
Sample annual salaries (in thousands of dollars) for employees at a company are listed 49 34 58 60 37 37 49 34 58 27 60 49 42 (a) Find the sample mean and sample standard deviation (b) Each employee...
Sample annual salaries (in thousands of dollars) for employees at a company are listed 49 34 58 60 37 37 49 34 58 27 60 49 42 (a) Find the sample mean and sample standard deviation (b) Each employee in the sample is given a $5000 raise. Find the sample mean and sample standard deviation for the revised data set. (c) Each employee in the sample takes a pay cut of $5000 from their original salary. Find the sample mean...
1. A company had 80 employees whose salaries are summarized in
the frequency distribution below.
Find the mean salary.
a. $20,969.30
b. $17,156.70
c. $17,500
d. $19,063.00
Salary ($) Employees 5,001-10,000 10 10,001-15,000 16 15,001-20,000 18 20,001-25,000 11 25,001-30,000 25
QUESTION 5 Find the mean of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the mean salary. Salary (S) Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 20 20 O$18,375.50 $16,53795 $20,213.05 $17-500 28
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary (dollars) |Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 19 14 12 16 19 OA. $8422.8 O B. $7588.1 O C. $7967.5 O D. $8195.1
QUESTION 1 Find the standard deviation of the data summarized in the given frequency distribution. A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary |Emplovees 5,001-10,000 10,001 15,000 15,001-20,000 20,001- 25,000 25001 30,000 O s 8034.5 O s 7439.4 14 13 17 18 O s 7811.3 O s 8257.7
What is the correct way to do this
A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. Salary (dollars)Employees 5,001-10,000 10,001-15,000 15,001-20,000 20,001-25,000 25,001-30,000 19 14 12 16 19 O A. $7588.1 OB. $8422.8 O C. $8195.1 O D. $7967.5
Moving to another question will save this response. gestion 8 A company sampled 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation Salary (dollars) Employees 5,001-10,000 12 10,001-15,000 13 15,001-20,000 14 20,001-25,000 19 25,001-30,000 22 $7887.30 $7105.67 $7461.00 $7674.10 A Moving to another question will save this response MacBook Air 000 esc 20 FI F4 F2 F3
HOMI WORK A company had 80 employees whose salaries are summarized in the frequency distribution below. Find the standard deviation. (Round the answer to the nearest tenth) Salary | Employees 0,001 15,000 5,001-20,000 20,001-25,000 5,001-30,000 12 15 26 QUESTION 23 Find the standard deviation for the given data. (Round your final answer to one more decimal place than that used for the observations). The normal monthly precipitation (in inches) 3.5, 1.6, 2.4, 3.7, 4.1, 3.9,1.0,3.6, 4.2, 3.4, 3.7, 22 QUESTION...
The following data were obtained from a salary survey of
Canadian laboratory employees in 2006. The salaries were rounded to
the nearest $10,000 and there were 333 respondents.
See picture.
(a) Determine the mean, median, and mode salaries of these lab
employees.
(b) Determine the standard deviation of the average
salaries.
(c) Calculate the skew and kurtosis of this distribution (you
can assume that the population mean and
standard deviation are the same as the sample values).
3. The folowing...
Sample annual salaries (in thousands of dollars) for employees at a company are listed 49 34 58 60 37 37 49 34 58 27 60 49 42 (a) Find the sample mean and sample standard deviation (b) Each employee in the sample is given a $5000 raise. Find the sample mean and sample standard deviation for the revised data set. (c) Each employee in the sample takes a pay cut of $5000 from their original salary. Find the sample mean...
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