Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Estimate arithmetic mean, mode and average absolute deviation from the mean 

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. For the value 10,40,20,50 and 40, the value of the arithmetic mean is

a.32

b.40

c.30

d.34.5

 

2. For the data values, 20, 31,45,54,38,33,22,45, and 17, the mode is

a.33

b.34

c.38

d.45

 

3. The simplest measure of dispersion is the

a. Standard deviation

b. variance

c. Quartile deviation

d. range

 

4. The largest value in a set of data is 240, and the lowest value is 100. If the resulting frequency Distribution is to have seven classes of equal width, what will be the class width?

a.12

b.7

c.5

d.20

 

5. For the value 10,20,30,40 and 50, the average absolute deviation from the mean is

a.10

b.15

c.12

d.14

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M918144

Have any Question? 


Related Questions in Statistics and Probability

Promptfor this project you will begin by analyzing and

Prompt For this project, you will begin by analyzing and researching the Motivation in the Workplace Case Study. You will then apply at least two relevant content and process theories from this course in making your anal ...

Although quasi-experimental designs are widely accepted in

Although quasi-experimental designs are widely accepted in behavioral science, some researchers are troubled by the fact that the evidence provided by quasiexperiments is seldom as conclusive as that provided by true exp ...

1 compute pearsons r between the life satisfaction variable

1. Compute Pearson's r between the life satisfaction variable and the family income variable in Table 1. Test the r for statistical significance, and draw conclusions about the meaning of the test. 2. Compute a Pearson c ...

Using the table below compute the spearman rank correlation

Using the table below, compute the spearman rank correlation coefficient for the aggressiveness scores. Does this suggest that both twins tend to be similar in degrees of aggressiveness? Twin set 1 st  born aggressivenes ...

According to a study conducted by dell computers 65 of men

According to a study conducted by Dell Computers, 65% of men and 70% of women say that weight is a very important factor in purchasing a laptop computer. Suppose this survey was conducted using 374 men and 481 women. Do ...

Question at the first state bank the average savings

Question: At the first state bank the average savings account balance in 2004 was $1300 with a standard deviation of $80. A random sample of 45 savings account balances for 2005 yielded a mean of $1350. At the alpha=01 s ...

Spss assignment 02the data set you need to do the

SPSS Assignment 02 The data set you need to do the assignment can be found on Blackboard in the folder "Assignments and due dates" and in the spreadsheet "Data for Assignment 2". This is a group assignment and you can su ...

What tensions emerged in the southwest that threatened to

What tensions emerged in the Southwest that threatened to lead the United States into a war with Mexico? On what grounds did President James K. Polk ask Congress to declare war on Mexico?

Using the standard normal distribution tables what is the

Using the standard normal distribution tables, what is the area under the standard normal curve corresponding to Z

A bakery was taken to court for selling loaves of bread

A bakery was taken to court for selling loaves of bread that were underweight. These loaveswere advertised as weighing 24 ounces. In its defense, the bakery claimed that the advertisedweight was meant to imply not that e ...

  • 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

WalMart Identification of theory and critical discussion

Drawing on the prescribed text and/or relevant academic literature, produce a paper which discusses the nature of group

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