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

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 ...

Paper should be between 800 and 1000 words in length it is

Paper should be between 800 and 1,000 words in length. It is due according to the due date on the course calendar. 1. Drawing on the readings and lectures, name at least three developments or factors that encouraged the ...

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 ...

The probability that a light bulb of a given brand is

The probability that a light bulb of a given brand is faulty is .1. You want to find the probability that fewer than 5% of a shipment of 1000 light bulbs is faulty. Use the Binomial Distribution to determine this.

Questions1 the following results were observed in a

QUESTIONS: 1. The following results were observed in a prospective study of the drug Viagra (based on data from Pfizer Inc.)  Use the data to answer the following questions:   Viagra Treatment Placebo Headache 117 29 No ...

Otto is trying out for the javelin throw to compete in the

Otto is trying out for the javelin throw to compete in the Olympics. The lengths of his javelin throws are normally distributed with a mean of 310 feet and a standard deviation of 13 feet. What is the probability that th ...

Emily marc and thomas meet at a party to which novelists

Emily, Marc, and Thomas meet at a party to which novelists and poets have been invited. Every attendee at the party is either a novelist or a poet (but not both). Every poet knows all the other poets, but every novelist ...

The mean sat score in mathematics is 515 the founders of a

The mean SAT score in mathematics is 515 . The founders of a nationwide SAT preparation course claim that graduates of the course score higher, on average, than the national mean. Suppose that the founders of the course ...

Simple takes about 25 minutes to answer in a study

Simple! (Takes about 25 minutes to answer.) In a study evaluating "Why minority males graduate American high-schools at lower rates than their counterparts", the following is needed: 1) Envisioned Quantitative Design 2) ...

A business student is interested in estimating the 99

A business student is interested in estimating the 99% confidence interval for the proportion of students who bring laptops to campus. He wishes a precise estimate and is willing to draw a large sample that will keep the ...

  • 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