A company had 80 employees whose salaries are summarized in, Ask an Expert

Statistics

A company had 80 employees whose salaries are summarized in frequency distribution below. Determine the standard deviation. Compute the standard deviation of the data summarized in the listed frequency distribution.

salary (dollars) to employees:

5001-10,000........14

10,001-15,000......13

15,001-20,000......18

20,001-25,000......18

25,001-30,000......17

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91119559

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

What would be examples of valid selection methods used by

What would be examples of valid selection methods used by the human resource department to ensure selecting the appropriate candidate for a job.

For planning purposes truss manufacturers must try to

For planning purposes, truss manufacturers must try to predict the number of hurricanes that will hit the eastern seaboard of the United States in any given year. If this area is hit with an average of 6 hurricanes per y ...

Suppose that x1 middot middot middot xn are normal with

Suppose that X1, · · · .Xn are normal with mean µ1; Y1, · · · , Yn are normal with mean µ2, and W1, · · · , Wn are normal with mean µ1 + µ2. Assuming that all 3n random variables are independent with a common variance, f ...

A gambler plans to play the casino dice game called craps

A gambler plans to play the casino dice game called craps, and he plans to place a bet on the "pass line." Let A be the event of winning. Based on the rules used in almost all casinos, P(A) = 244/495. Describe the event ...

37 of college students say they use credit cards because of

37?% of college students say they use credit cards because of the rewards program. You randomly select 10 college students and ask each to name the reason he or she uses credit cards. Find the probability that the number ...

We perform a statistical test to examine if the mean

We perform a statistical test to examine if the mean lifetime of lab mice increases when given vitamin B12 compared to a placebo. Which of the following is a Type I error? Conclude that Vitamin B12 increases the mean lif ...

1 suppose anbspseven-yearnbsp1000nbspbond withnbspanbsp79

1) Suppose a? seven-year, $1,000 bond with a 7.9% coupon rate and semiannual coupons is trading with a yield to maturity of 6.66 % i. Is this bond currently trading at a? discount, at? par, or at a? premium? Explain. ? ...

Ralph and gina attend differed schools but each have a gpa

Ralph and Gina attend differed schools, but each have a GPA of 3.2 The GPA's at each score follow a normal distribution. Ralph's school has a mean GPA of 2.7 and a standard deviation of .25. Gina's school has a mean of 3 ...

Alphonse contributes 542 per year at the end of each year

Alphonse contributes $542 per year at the end of each year to his pension plan. Assuming he can earn 6.62 per year from his plan, what is the total valve of his account at the end of 7 years?

Given the following partial relative frequency

Given the following partial relative frequency table Republican Democrat Independent Male 0.174 0.124 0.178 Female 0.126 0.106 ? Compute P(Republican | Male), and enter your answer with 3 decimal places. show working ple ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert