stat

A contract employs three types- Class A , Class B and class c. to class A workers, he pays an average monthly salary of $ 400, to class B workers, he pays an average monthly salary of $ 320 and to class C workers he pays an average monthly salary of $ 150. The combined average salary paid by the contractor is $ 225. If the number of class A and class B is 10 each. find the number of class C workers!
B) the standard deviaton of class A , class B and Class C workers is 15, 7 and 12 respectively. calculate the cofficient of variation of class A, B and class C workers.
c) comment on the variability in the salaries of the class A, B and C workers

asked by moon

Respond to this Question

First Name

Your Response

Similar Questions

  1. computer science

    I need to see if someone can help me with a c# programming problem Create a class called employees that includes three pieces of information as either instance variables or automatic properties - a first name(type string), a last
  2. English

    He has stopped taking boxing lessons and goes to the ballet class. (In this sentence, what does 'class'mean? Does 'class' mean 'lesson'? Or does 'class' mean the 'class' as in ' He is a student of Class 1-1'?)
  3. math

    The management of a company is negotiating with a union over salary increases for the company's employees for the next 5 years. One plan under consideration gives each worker a bonus of 1200 dollars per year. The company currently
  4. math

    Mr. Smith’s first period class had an average of 90% on the first test, and his 4th period class had an average of 82%. If there were 30 people in his first class, and 22 in his second, what is the average score of someone in
  5. c++

    1. Create a class called Faculty that includes three pieces of information as data members: a. a first name (type string) b. a last name (type string) c. a monthly salary (type int). They should be private. 2. This class should
  6. Art

    based on their attire, playing music during leisure time is most likely a pursuit of which greek class citizen? lower class musical class upper class middle class i believe it is upper class
  7. algebra...

    In a school, there are 4 more students in Class A than in Class B, and 4 more students in Class B than in Class C. As a reward for good behavior, a teacher decides to give out some sweets. Every student in class C got 5 more
  8. English

    1. He became the captain of the class. 2. He became the president of the class. 3. He became the head of the class. 4. He became the leader of the class. ============== Which ones are commonly used? What is the suitable name for
  9. English

    There are 7 classes for first year students. Each class is composed of about 30 students. Emily is a student of Class 1-2. One of his classmates who went to the same elementary school asks: Which class are you in? What is the
  10. math

    An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 900 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1

More Similar Questions