Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

Choose the correct answers in measure of dispersion.

1. What is a disadvantage of the range as a calculation of dispersion?

a. Based on only two observations.

b. Can be distorted by a large mean.

c. Not in the same units as the original data.

d. Has no disadvantage

e. None of the above

 

2. Rank the measures of dispersion in terms of their relative computational difficulty from least to most difficult.

a. Mode, median, mean

b. Range, mean deviation, standard deviation

c. Variance, mean, deviation, range

d. There is no difference

 

3. Which of the following measures of dispersion are based on deviations from the mean?

a. Variance

b. Standard deviation

c. Mean deviation

d. All of the above

e. None of the above

 

4. What is the relationship between the variance and the standard deviation?

Variance is the square root of the standard deviation

i. Variance is the square of the standard deviation

ii. Variance is twice the standard of deviation

iii. No constant relationship between the variance and the standard deviation

iv. None of the above

 

5. What is the range for the sample of March electric bills amounts for all electric homes of similar sizes (to the nearest dollar):

 $212, $191, $176, $129, $106, $92, $108, $109, $103, $121, $175 and $194.

 

i. $100

ii. $130

iii. $120

iv. $112

v. None of the above

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M920876

Have any Question? 


Related Questions in Statistics and Probability

In a manufacturing process a random sample of 36 bolts

In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 3 inches with a standard deviation of .3 inches. What is the 99% confidence interval for the true mean length of the bolt? Please s ...

1 what are the four basic goals of behavioral research2

1. What are the four basic goals of behavioral research? 2. Distinguish between basic and applied research. In what ways are basic and applied research interdependent?

To prepare for this assignmentreview this weeks learning

To prepare for this Assignment: Review this week's Learning Resources and the  Central Tendency and Variability  media program. For additional support, review the  Skill Builder: Visual Displays for Categorical Variables ...

George john and thomas are standing first second and third

George, John, and Thomas are standing first, second, and third in a line, respectively. Each one sees the persons standing in front of him. James announces: "I have three red hats and two white hats. I will place a hat o ...

In a normal distribution what percentage of scores fall

In a normal distribution, what percentage of scores fall between -1 and +1 standard deviations from the mean? Between the mean and -2 standard deviations ? Between the mean and +3 standard deviations?

1 prove that every complete irreflexive and transitive

1. Prove that every complete, irreflexive, and transitive relation is asymmetric: if x ≠ y, then x > y if and only if y x. 2. Prove that the Gale-Shapley algorithm for finding a stable matching satisfies the following pr ...

What is the difference between the standard deviation

What is the difference between the standard deviation, standard error of the mean, and standard error of the estimate? Discuss and offer examples.

In randomized double-blind clinical trials of a new vaccine

In randomized, double-blind clinical trials of a new vaccine, monkeysmonkeys were randomly divided into two groups. Subjects in group 1 received the new vaccine while subjects in group 2 received a control vaccine. After ...

The potential revenues of all projects are in fact

The potential revenues of all projects are in fact uncertain. The company determines that the revenue for project 1 is following a uniform distribution ranging from $1,200,000 to $2,000,000. The revenue for project 2 is ...

Discuss how a human rights approach may aid or obstruct the

Discuss how a Human Rights Approach may aid or obstruct the resolution of these three themes: 1. Poverty 2. The Syrian Refugee crisis 3. The death penalty For each theme, please make sure you discuss the human rights iss ...

  • 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