Ask Question, Ask an Expert

+1-415-315-9853

info@mywordsolution.com

Ask Statistics and Probability Expert

An animal trainer obtained following data (Table A) in the study of reaction times of dogs (in seconds) to the specific stimulus. He then selected another group of dogs which were much older than the first group and measure their reaction times to same stimulus. The data is shown in Table B.

Table A                                                                        Table B

Classes Frequency Classes Frequency
2.3-2.9 18 2.3-2.9 4
3.0-3.6 14 3.0-3.6 7
3.7-4.3 11 3.7-4.3 9
4.4-5.0 10 4.4-5.0 22
5.1-5.7 3 5.1-5.7 17
5.8-6.4 2 5.8-6.4 7

Find out the variance and standard deviation for two distributions above. Compare the variation of data sets. Decide if one data set is more variable than the other.

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M922324

Have any Question? 


Related Questions in Statistics and Probability

Suppose amongst all the families on a caribbean cruise the

Suppose amongst all the families on a Caribbean Cruise, the population variance of the number of children per family is 4. If we were to take a sample of 10 families, then the probability is .9 that the sample variance i ...

250 -300 wordsexplain the history behind the black soldier

250 -300 words Explain the history behind the Black Soldier of the Civil War In this forum look beyond the book for information on specific units, soldiers and even the reasons for why Lincoln allowed the African America ...

In a pulse rate research a simple random sample of 120 men

In a pulse rate research, a simple random sample of 120 men results in a mean of 80 beats per minute, and a standard deviation of 11 beats per minute. Based on the sample results, the researcher concludes that the pulse ...

Problem 1 part i hypothesis testingconduct a one-tailed

Problem 1: PART I. HYPOTHESIS TESTING Conduct a one-tailed hypothesis test given the information below. A manufacturer wants to increase the shelf life of a line of cake mixes. Past records indicate that the average shel ...

Your assignment this week is to describe structural

Your assignment this week is to describe structural equation modeling in which you include: (a) a comparison of the first and second generation models of structural equation modeling and their related major assumptions, ...

Discuss the changes in beliefs from the end of the

Discuss the changes in beliefs from the end of the pre-modern period into the modern period, providing two (2) examples. Discuss how these changes have impacted current practice in psychology, providing two (2) examples.

One of the initial clinical trials of the anti-math anxiety

One of the initial clinical trials of the anti-math anxiety drug SHOVITALL TM tested for the presence of headaches as a side effect. In the trial, 450 subjects were treated with 80mg of the drug, and 2.2% of the subjects ...

1 you wish to learn the proportion of mba students that are

1.) You wish to learn the proportion of MBA students that are female within 3%, and with 98% confidence. How large of a sample should you get? 2.) You wish to learn the average age of an MBA student within 2 years and wi ...

Cnsider selecting one card at a time from a 52-card deck

Consider selecting one card at a time from a 52-card deck. What is the probability that the first card is from the suit of hearts and the second card is also from the suit of hearts? (Note there are 13 cards from the sui ...

1 in may the mean price of gas in the buffalo area was 2714

1. In May, the mean price of gas in the Buffalo area was $2.714 per gallon with a standard deviation of $0.045. In a sample of 32 gas stations, what percentage will have a price per gallon of gas between $2.695 and $2.72 ...

  • 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