Computation for hypothesis test

Assignment Help Basic Statistics
Reference no: EM13108889

Make calculations below ( a-e ) based on the following data: Liberals: 2, 1, 3, 2 Conservatives: 4, 3, 3, 5, 2, 4

Liberals' Variance: 1.66667

Conservatives' Variance: 1.1

Liberals: 2, 1, 3, 2 :

Total numbers: 4

Mean: 2.5

Standard deviation. 1.29099

Variance (of SD): 1.66667

Population SD: 1.22803

Variance of population SD: 1.25

Conservatives: 4, 3, 3, 5, 2, 4

Total numbers: 6

Mean: 3.5

Standard deviation: 1.04881

Variance (of SD): 1.1

Population SD: 0.95743

Variance of population SD: 0.91667

a. Assuming these data are from two independent groups, calculate dfX, dfY, and dftotal for the data above

a. Determine the critical values for t based on the df you calculated for the question above, assuming a two-tailed test with a p level of 0.05.

b. Calculate the variance version of standard error for each sample above: for the Liberals (2, 1, 3, 2) and then for the Conservatives (4, 3, 3, 5, 2, 4).

c. Calculate the 95% confidence interval for the data above.

d. Calculate the effect size using Cohen's d for the data

Reference no: EM13108889

Questions Cloud

Hypothesis test-fitness camp glasses : Researchers at the Cornell University Food and Brand Lab conducted an experiment at a fitness camp for adolescents (Wansink & van Ittersum, 2003).
Prepare the journal entries required to record transaction : Medical Industry shares are selling for $25 per share and Alphan industry shares are selling for $12 per share. Prepare the journal entries required to record the transactions for the year including year-end adjustments in proper format
Discussion on technology innovation in a company : You are the senior executive responsible for technology innovation for Company A. The company learns of the cost and efficiency advantages of a new technology that could replace the one it is currently using.
How many two liter soda bottles would be required to fill up : how many two liter soda bottles would be required to fill up a barrel that has a total volume of 378 liters. show you work please.
Computation for hypothesis test : Assuming these data are from two independent groups, calculate dfX, dfY, and dftotal for the data above. Determine the critical values for t based on the df you calculated for the question above, assuming a two-tailed test with a p level of 0.05.
Tech knowledge would like to source sap or erp vendor : Tech Knowledge would like to source SAP or another ERP vendor via a hosting arrangement. It does not expect to do much customization and it does not have any legacy systems. Illustrate what factors should it use to evaluate each of these potential ..
Find out the concentration of molarity : Find out the concentration of this solution in  a)M (molarity),  b) m (molality), c) % w/w (percent by mass). If solvent =, H 2 O.
Determine covariance matrix for values of process : Determine the covariance matrix for values of this process at time t=1,2,3,4. Determine its inverse(numerically) and write formula for pdf of corresponding random vector.
Describe what happens to the field of view : the field of view is the area that you see when looking into th microscope. describe what happens to the field of view as you increase maginfication.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Hypothesis proposed by the researchers

The 'interaction effect' was also important. By using the means in the table above write a statement explaining how the anti-anxiety drug appears to affect anxiety. Are the outcomes consistent with the hypothesis proposed by the researchers?

  Differentially preferred by people in general

Do these scores suggest that the different foods are differentially preferred by people in general? (Use the .05 significance level.)

  Investigating sex role stereotypes-occupational aspirations

A researcher investigating sex role stereotypes and occupational aspirations drew a random sample of 125 female university students.

  X-bar and r chart

A Starbucks manager decides to study waiting times of customers for service at the lunch time rush hour 1100-1200. He observes three customers to measure the time the customer enters the line to the time he or she reaches the counter.

  Control limits for p-chart

What control limits should be applied to his sample?

  Find the mean number of widgets produced

The number of widgets produced by 9 employees in an eight hour shift is recorded below. Find the mean number of widgets produced.

  Two-way anova results

Raccoons are identified by gender and then weighed from three different neighborhoods. Using a 0.05 significance level what can you conclude from the following Two-Way ANOVA results?

  Reducing substantive tests of transactions

If sales invoices are automatically calculated and posted by a company's computer system, can the auditor reduce substantive tests of transactions for the accuracy objective? Why?

  What is the proportion of people surveyed rated

200 people were surveyed and asked to rate mayor Michael Bloombergs effectiveness towards education. The rate scale is 1 (lowest) to 10 (highest). Mayor Bloomberg's average rating was 7.50, with a standard deviation of 2

  Normal distribution of body temperatures

Suppose we have a set of body temperatures with a mean of 98.6 degrees, and a sample standard deviation of 0.5 degrees. Assuming a normal distribution of body temperatures in the larger population, between what two values should 95% of all tempera..

  Probability through conditional probability

Given that both balls selected are white what is the probability that bowl 3 was selected?

  Example of repeated measures analysis of variance

Give an example of a repeated measures analysis of variance (ANOVA)--no examples of therapy or temperature.

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