The monthly salaries (in thousands of dollars) of a sample of 6 sales representatives are as follows:
10, 7, 13, 12, 9, 9

Find the standard deviation of this sample of monthly salaries. Round your answer to at least two decimal places.
(If necessary, consult a list of formulas.)

Solution Summary

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Employees from five computer companies were surveyed to find their monthly income in hundreds of dollars. The data is shown below. Compute the samplestandarddeviation in hundreds of dollars.
17.4, 24.6, 36.2, 48.1, 48.7.

The starting salaries of individuals with an MBA degree are normally distributed with a mean of $40,000 and a standarddeviation of $5,000. What percentage of MBA's will have starting salaries of $34,000 to $46,000?
The weights of items produced by a machine are normally distributed with a mean of 8 ounces and a standard de

The following data lists the average monthly snowfall for January in 15 cities around the US:
42 45 8 18 45 15 31 46
3 33 2 6 32 47 36
Find the mean, variance, and standarddeviation.

The dean of a nursing school claims that the average starting salary of its graduates is more than 60 (in $000's). It is known that the population standarddeviation is 10 (in $000's). Sample data on the starting salaries of 64 randomly selected recent graduates yielded a mean of 62 (in $000s). What is the value of the sample te

Here's the problem I need help with:
Determine the mean, median and standarddeviation.
c. Determine the coefficient of skewness using Pearson's method.
d. Determine the coefficient of skewness using the software method.
Listed below are the salaries in $000, for a sample of 15 chief financial officers in the electronics

In a manufacturing process a machine produces bolts that have an average length of 3 inches with a variance of .03. If we randomly select three bolts from this process: What is the standarddeviation of the sampling distribution of the sample mean?

The industry average salary is $140,000, and the standarddeviation of salaries in the industry is $20,000.
What is the probability that a single executive will earn $130,000 or more?
What is the value of the standard error of the mean for this problem?
What is the probability that any sample mean of salaries of any 15