A company has 70 employees whose salaries are summarized in the frequency distribution below

Be Prepared For The Toughest Questions

Question

5. A company has 70 employees whose salaries are summarized in the frequency distribution below.

Salary Number of Employees

5,001–10,000              8
10,001–15,000            12
15,001–20,000            20
20,001–25,000            17
25,001–30,000            13

a.Find the standard deviation.

b.Find the variance.

Hint

Statistics mean = ∑fixi / ∑fi = variance = (1/n * ∑fi xi2) - mean2 = standard deviation = SQRT(variance) ...

Select Deadline for Completion

4 Days

3 Days

2 Days

1 Day

1 to 15 Hours

Students succeed in their courses by connecting and communicating with
an expert until they receive help on their questions

Post project within your desired price and deadline.

A quality expert with the ability to solve your project will be assigned.

Check order history for updates. An email as a notification will be sent.

Consult our trusted tutors.

Ask a Question