Question: The difference in means are ____ significant; therefore, we conclude that the difference between the two means is due to A researcher measured anxiety in

The difference in means are ____ significant; therefore, we conclude that the difference between the two means is due to

A researcher measured anxiety in a sample before therapy and after therapy. Table 10-2 GROUP 1 = Before therapy GROUP 2 = After therapy Variable = Anxiety scores GROUP N Mean SD Standard Error GROUP 1 10 11.00 3.197 1.011 GROUP 2 10 8.90 3.573 1.130 Mean difference = 2.100 SD = 1.287 Std Error = 0.417 Corr. = 0.934 p = 0.000 t=5.161 df=9 p=0.001

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!

1 During an election, an exit poll is taken on 400 randomly selected voters and 214 of those polled voted for Candidate \"Jim\". A majority is needed to win the election. We want to see if we can...

During an election, an exit poll is taken on 400 randomly selected voters and 214 of those polled voted for Candidate "Jim". A majority is needed to win the election. We want to see if we can...

The following questions refer to the following computer output in which a researcher compared the GPA of traditional (aged 18-22) and nontraditional (aged 23 or older) students. GROUP 1 = Aged...

The article \"Placenta Power? Bay Area moms tout benefits of eating the organ\" describes how, despite little evidence on the effects or safety of eating the placenta, some new moms are having their...

Name:_______________________________ GSI:________________________________ Political Science 3 Homework # 4 Note: It is highly recommended that you show your work. This means setting up the problem by...

1.A study asked 500 men who had prostate cancer about their consumption of 50 different foods. One of the foods is found to have a statistically significant relationship to prostate cancer. The most...

7. Our hypothesis test is testing to see if there is a difference in the population mean between two groups. The data for each group has considerable variability. Given that there is considerable...

Pace University Spring 2017 Math 117 Data Analysis Project Instructor: Vinh Ly April 6th, 2017 Final Project Conceptual Problems: Probability Density Function and Binomial Convergence Problem 1 a/Use...

The data indicate _________ of variance; therefore, we should use the output under Equal Variances __________ A researcher compared the GPA of traditional (aged 18-22) and nontraditional (aged 23 or...

Interpretation: As the p-value =0.037 Interpretation: As the p-value 0.05, indicating that it lies in the critical region and therefore we do not accept the null hypothesis and accept the alternative...

Presented below is information for Zhou Co. for the month of January 2014. Instructions (a) Prepare an income statement using the format presented on page 245. Assume a 25% tax rate. (b) Calculate...

Approximate /99 by finding the two consecutive whole numbers that the square root lies between. 99 is between and (Simplify your answer. Use ascending order.)

( Ch 1 2 ) "Will you need one box of nails or two to go with those roofing shingles?" is an example of an alternative - choice close. True False

A company issues 1,050 shares of its common stock for $33,600 cash. Prepare journal entries to record this event under each of the following separate situations.