There are 17 employees in a particular division of a company. Their salaries have a mean...
There are 17 employees in a particular division of a company. Their salaries have a mean of $70,000, a median of $55,000, and a standard deviation of $20,000. The largest number on the list is $100,000. By accident, this number is changed to $1,000,000. What is the value of the mean after the change? Write your answer in units of $1000.
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There are 17 employees in a particular division of a company.
Their salaries have a mean...
Annual salaries for employees in a large company are approximately normally distributed with a mean of...
Annual salaries for employees in a large company are approximately normally distributed with a mean of $50,000 and a standard deviation of $20,000. What percentage of company workers make under $40,000?
The annual salaries of employees in a large company are normally distributed with a mean of...
The annual salaries of employees in a large company are normally distributed with a mean of $50,000 and a standard deviation of $20,000. What percentage of people earn between $45,000 and $65,000? Round to the second decimal place.
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...
The distribution of weekly salaries at a large company is right-skewed with a mean of $1000...
The distribution of weekly salaries at a large company is right-skewed with a mean of $1000 and a standard deviation of $350. a) Determine the sampling distribution of the mean salary for samples of size 60. b) If a sample of weekly salaries of 60 employees is randomly selected, what is the probability that the sample mean salary will be within $50 of the population mean $1000 (the mean weekly salary for all employees)?
The distribution of weekly salaries at a large company is reverse J-shaped with a mean of...
The distribution of weekly salaries at a large company is reverse J-shaped with a mean of $1000 and a standard deviation of $370. What is the probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random sample of weekly salaries of 80 employees will be at most $75? 0.0698 0.9302 mm 0.4649 0.1606
Print-O-Matic printing company’s employees have salaries that are contained in table #3.2.12. Table #3.2.12: Salaries of...
Print-O-Matic printing company’s employees have salaries that are contained in table #3.2.12. Table #3.2.12: Salaries of Print-O-Matic Printing Company Employees Employee Salary ($) Employee Salary ($) CEO 272,500 Administration 66,346 Driver 58,456 Sales 109,739 CD74 100,702 Designer 90,090 CD65 57,380 Platens 69,573 Embellisher 73,877 Polar 75,526 Folder 65,270 ITEK 64,553 GTO 74,235 Mgmt 108,448 Pre Press Manager 108,448 Handwork 52,718 Pre Press Manager/ IT 98,837 Horizon 76,029 Pre Press/ Graphic Artist 75,311 Find the mean, median, range, variance, and standard...
31. The weekly salary paid to employees of a small company that supplies part-time laborers averages...
31. The weekly salary paid to employees of a small company that supplies part-time laborers averages +800 with a standard deviation of +600. (a) If the weekly salaries are normally distributed, estimate the fraction of employees that make more than +300 per week. (b) If every employee receives a year-end bonus that adds +200 to the paycheck in the final week, how does this change the normal model for that week? mean standard deviation (c) If every employee receives a...
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
The salaries of the employees of a corporation are normally distributed with a mean of $26,000...
The salaries of the employees of a corporation are normally distributed with a mean of $26,000 and a standard deviation of $6,000. For each part, show the formula (=NORMDIST(…)) , a graph, and an explanation. a. If sixty-eight of the employees have incomes of at least $35,600, how many individuals are employed in the corporation? b. The bottom 10% of employees would pay NO income tax at all. The next 10% after this group pay only 5% of their income...
Salaries for teachers in a particular elementary school district are normally distributed with a mean of...
Salaries for teachers in a particular elementary school district are normally distributed with a mean of $44,000 and a standard deviation of $6,500. We randomly survey ten teachers from that district. (a). Find the 90th percentile for an individual teacher’s salary. (Round to the nearest whole number) (b) Find the 90th percentile for the average teacher’s salary. (Round to the nearest whole number)
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...
The distribution of weekly salaries at a large company is reverse J-shaped with a mean of $1000 and a standard deviation of $370. What is the probability that the sampling error made in estimating the mean weekly salary for all employees of the company by the mean of a random sample of weekly salaries of 80 employees will be at most $75? 0.0698 0.9302 mm 0.4649 0.1606
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