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

Please no plagiarism1 compare and contrast the northern and

Please no plagiarism. 1. Compare and contrast the Northern and Southern economies and societies in the antebellum period. How did industrialization develop in the North, and plantation slavery in the South? How did the e ...

Please show the work step by step to make it

Please show the work step by step to make it understandable. A random sample of 16 students showed that the variance in the number of hours they spend studying for a final exam was 25 hours 2 Part a. Construct a 95% conf ...

Given the following waiting time distribution in a hotel

Given the following waiting time distribution in a hotel, compute the  expected value  of the waiting time in 2 dec pl.    Waiting time (minutes) Probability 4.0            20% 4.5 28% 5.0 32% 5.5 10% 6.0 10%

Be sure to read each question carefully and answer all

Be sure to read each question carefully and answer all parts. For all Stata questions, be sure to provide the log output (which should be edited and commented so that it is easier to grade).  Q1. Find an article THAT YOU ...

There are 1000 students in a high school among the 1000

There are 1000 students in a high school. Among the 1000 students, 150 students take AP Statistics, and 300 students take AP French. 100 students take both AP courses. Let S be the event that a randomly selected student ...

Some accounting firms give the client an option to pay a

Some accounting firms give the client an option to pay a fee when the tax return is completed that guarantees tax advices and support from the accountant if the client were audited. A large accounting firm is trying to d ...

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 ...

If the results of a t-test lead you to reject the null

If the results of a t-test lead you to reject the null hypothesis, what is the probability that you have made a Type II error?

In january 2011 the average monthly rental rate for

In January 2011, the average monthly rental rate for one-bedroom apartments in a certain city was $783. Suppose rental rates across all one-bedroom apartments in this city follow approximately a normal distribution, with ...

A researcher was interested in the effects of weather on

A researcher was interested in the effects of weather on cognitive performance. He tested participants on either sunny or cloudy days, and obtained the following scores on a 10-item test of cognitive performance. Using t ...

  • 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