Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Relative frequency distribution and cumulative frequency distribution

Annual Income

Number of Households

Under $10,000

20

$10,000-under $20,000

45

$20,000-under $30,000

70

$30,000-under $40,000

30

$40,000-under $50,000

15

$50,000-under $60,000

12

$60,000-under $70,000

8

Total

200

1. What is the frequency of the $20,000 -under $30,000 class?

a.20

b.45

c.75

d.30

2. What is the width of each class?

a. $20,000

b. $5,000

c. $60,000

d. $10,000

3. What is the midpoint for the $40,000 - under $50,000 class?

a. $45,000

b. $40,000

c.$42,000

d. 15

4. If we were to convert these data a relative frequency distribution, what value would be linked with the $50,000 - under $60,000 class?

a. 0.96

b.0.06

c. 0.04

d.0.12

5. For a cumulative frequency distribution (less than or within), what value would be linked with the $30,000 - under $40,000 class?

a.30

b.35

c.165

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918146

Have any Question? 


Related Questions in Statistics and Probability

Name two or three competitors that compete most directly

Name two or three competitors that compete most directly for the same resources and customers that you need to perform well as an organization (or other government agencies or non-profits that compete for similar donors ...

My variables are 1 sat scores between 600- 2400 2 gender 3

My variables are: 1. SAT scores between 600- 2400, 2. Gender, 3. Type of college attended, 1 for public university, 2 for private university, 4. Type of degree held: 1 for bachelors, 2 for masters, 3 for PHD or doctorate ...

Manifest destiny was a powerful force in nineteenth century

"Manifest Destiny was a powerful force in nineteenth century America not only calling for the expansion of the nation physically but also for spreading its ideals to more parts of the world. In what ways was slavery both ...

What main effects and interaction could you test with the

What main effects and interaction could you test with the design you developed for Question 1? Are you predicting that you will obtain an interaction? Question 1 Build on the design you created in Question 2 to test the ...

1nbspa camp director is interested in the average number of

1. A camp director is interested in the average number of letters each child sends during his/her camp session. The population standard deviation is known to be 2.5. A survey of 45 campers is taken. The average from the ...

Suppose that a certain college class contains 65 students

Suppose that a certain college class contains 65 students. Of these, 35 are seniors, 33 are biology majors, and 5 are neither. A student is selected at random from the class. (a) What is the  probability  that the studen ...

A teacher wants to estimate the average pa of all teachers

A teacher wants to estimate the average pa of all teachers in a district. She wants to be 95% sure her estimate is correct. The standard deviation is $1,000, how large must her sample be to be accurate within $200? Pleas ...

A random sample of the price of gasoline from 20gas

A random sample of the price of gasoline from 20gas stations in a region gives the statistics below. Complete parts a) and b) ybar = $3.59, s = $0.24 a) Find a 95% confidence interval for the mean price of regular gasoli ...

How did some indian religious leaders add certain christian

How did some Indian religious leaders add certain Christian teachings to their traditional beliefs?

You are interested in using linear regression to test

You are interested in using linear regression to test whether drinking a protein shake improves weightlifting performance. From a sample of 200 college students, you estimate a linear regression with WEIGHTLIFT as the de ...

  • 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

Section onea in an atwood machine suppose two objects of

SECTION ONE (a) In an Atwood Machine, suppose two objects of unequal mass are hung vertically over a frictionless

Part 1you work in hr for a company that operates a factory

Part 1: You work in HR for a company that operates a factory manufacturing fiberglass. There are several hundred empl

Details on advanced accounting paperthis paper is intended

DETAILS ON ADVANCED ACCOUNTING PAPER This paper is intended for students to apply the theoretical knowledge around ac

Create a provider database and related reports and queries

Create a provider database and related reports and queries to capture contact information for potential PC component pro

Describe what you learned about the impact of economic

Describe what you learned about the impact of economic, social, and demographic trends affecting the US labor environmen