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

A women in the sample on average were as healthy as people

(a) Women in the sample, on average were as healthy as people nationally from both a physical and mental health perspective as indicated by the SD deviation of 10.0 and a mean of 50.0 based on the national average. (b) T ...

1 why are psychologists sometimes interested in

1. Why are psychologists sometimes interested in epidemiology? 2. Why do researchers use probability rather than nonprobability samples when doing descriptive research?

An airline estimates that 92 of people booked on their

An airline estimates that 92% of people booked on their flights actually show up. If the airline books 76 people on a flight, find the propability that exactly 73 people will show up. for which the maximum number is 74, ...

You are purchasing a home for 220000 the down payment is 30

You are purchasing a home for $220,000. The down payment is 30% and the balance will be financed with a 20- year mortgage at 9% and 2 discount points. You put down a deposit of $5,000 (applied to the down payment) when t ...

1 what type of sample is used most frequently in behavioral

1. What type of sample is used most frequently in behavioral research? 2. Is it true that valid conclusions cannot be drawn from studies that are conducted on convenience samples? Why or why not?

If x and y are statistically independent random variables

If X and Y are statistically independent random variables both with probability density function f(t)=e^(-t) I[0, +infinity](t) , where I is the indicator function of t. Find the probability density of the variable Z=Squ ...

1 give five examples of physiological measures2 what

1. Give five examples of physiological measures. 2. What considerations must a researcher keep in mind when writing the questions to be used on a questionnaire or in an interview? 3. What is a double-barreled question? 4 ...

Using the table of random numbers in appendix a-1 draw a

Using the table of random numbers in Appendix A-1, draw a stratified random sample of 10 boys and 10 girls from the following population: Ed Dale Eleanor Carlos Betsy Elisha Kevin Collin Raji Chris Milou Richard Tom Ryan ...

At a factory that produces pistons for cars machine 1

At a factory that produces pistons for cars, Machine 1 produced 711satisfactory pistons and 79 unsatisfactory pistons today. Machine 2 produced 630 satisfactory pistons and 270 unsatisfactory pistons today. Suppose that ...

Consider the following game a fair die is rolled if the

Consider the following game. A fair die is rolled. If the outcome is 4, then the game ends and you win 0. If the outcome is not 4, then you have the option of either stopping the game and receiving an amount equal to tha ...

  • 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