Significant difference between the two groups

Assignment Help Basic Statistics
Reference no: EM132155729

A researcher would like to compare the political attitudes for college freshmen with those for college seniors to see if they are different. Samples of n1 = 10 freshmen and n2 = 10 seniors are obtained, and each student is given a questionnaire measuring political attitude on a scale from 0 (very conservative) to 100 (very liberal). The average score for the freshmen is 1 = 52 with a variance of s12 = 480, and the seniors average 2 = 39 with a variance of s22 = 420. 

Conduct a t-Test (two-tail, α = .05) for two Independent groups to see if there is a significant difference between the two groups (follow the Handout).

Reference no: EM132155729

Questions Cloud

Vertical integration is about acquiring buyers and suppliers : Vertical integration is about acquiring buyers and suppliers: diversification is about acquiring any firm that is not a buyer or supplier
Significant difference between the two groups : Conduct a t-Test (two-tail, a = .01) for two Independent groups to see if there is a significant difference between the two groups (follow the Handout).
Identify your major cash flows for the current school term : Identify your major cash flows for the current school term as first costs, O&M expenses, salvage values, revenues, overhauls, and so on.
Write a paper discussing how the past traumas of the laceys : Write a paper discussing how the past traumas of the Laceys as well as Shirley Brown, Ciel Brown and Bertie Mae shaped Sugar's personality.
Significant difference between the two groups : Conduct a t-Test (two-tail, a = .05) for two Independent groups to see if there is a significant difference between the two groups (follow the Handout).
Draw the cash flow diagram using given data : Pine Village needs some additional recreation fields. Construction will cost $225,000, and annual O&M expenses are $85,000.
How companies can balance the need for diversity : Describe how companies can balance the need for diversity in their workplace with employment law considerations.
Explain how the two types of crises are similar : Explain what insights you have or conclusions you can draw based on this comparison.
Draw the cash flow diagram usign given data : Bonka Toys is considering a robot that will cost $20,000 to buy. After 7 years its salvage value will be $2000. An overhaul costing $5000 will be needed.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Fizz fizz soda comes in two varieties

Fizz fizz soda comes in two varieties, regular and diet. If a researcher has 8 boxes of each, how many ways can he select 2 boxes of each for a quality control test? Which answer would be correct?

  The moment-generating function of the random variable

(a) Obtain the moment-generating function of the random variable N{t + S). Indication. If X has a Poisson distribution with parameter a, then Mx(t) = exp{α(et - 1)}.

  Calculate a 99 confidence interval for the true mean of a

calculate a 99 confidence interval for the true mean of a bearings diameter when a sample of 16 of the bearings have a

  Assume x is a standard normal random variable and y n09so

assume x is a standard normal random variable and y n09so variance is 9. what is the 97.5 percentile of px and

  Probability that selected customer gets shave or haircut

What is the probability that a randomly selected customer gets a shave or a haircut?- What is the probability that a randomly selected customer gets neither?

  Problem regarding the regular transition matrix

1. Let P be a regular transition matrix and let w be the unique non-zero fixed vector of P. Show that no entry of w is 0.

  What is the probability that the door will actually open

Suppose a card has just been inserted and the light is green - What is the probability that the door will actually open

  Determining the type of sampling plan

For each of the following situations, state which type of sampling plan was used. Explain whether you think the sampling plan would result in a biased sample.

  Calculation of the cost

In project management, the WBS helps with the calculation of the cost, time and work effort as well as the gathering of requirements from the customer.

  Find out information about class

Later for a class project you decide to use this data to find out information about your class. This is an example of using ________.

  Is X discrete or continuous Justify your answer

Let the random variable X be the maximum distance (in meters) from release at which the dye is detected after one day. Is X discrete or continuous

  Confidence interval of the mean score

A study of 40 bowlers showed that there average score was 186 the standard deviation of the population is 6. Find the 95% confidence interval of the mean score for all bowlers.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd