Calculate the effect size of your test. What should you interpret based on the effect size of Ad Types on Persuasion?

A study looks at the average wait times (minutes) in hospital Emergency Rooms before and after a training programming for staff. Below is the data that was collected (note: N/A means data is missing because the hospital failed to report it).   ER Wait Times (in mins) Pre-Training Post-Training Hospital 1 N/A 14 Hospital 2 10 11 Hospital 3 27 26 Hospital 4 N/A 28 Hospital 5 37 27 Hospital 6 17 15 Hospital 7 28 N/A Hospital 8 12 15 Hospital 9 19 11 Hospital 10 N/A 30   What are the degrees of freedom for this test?

Use the data set workout_exam2.sav to answer the final questions.  A researcher from the Exercise and Science Department is interested in preferences for different types of workouts and the impact on health. Data from 60 FAU undergraduate students were collected, 20 of whom prefer cardio workouts, 20 who prefer weight lifting, and 20 who prefer a program which contains both cardio and weight lifting exercises (workout). The researcher recorded the participants’ weight, their sex, their preferred type of workout, whether or not they had a trainer, and their overall health using the Hunter-Joseph Health Scale, where 1 = poor health and 10 = excellent health. The researcher is interested in the effects of (1) trainer and (2) workout type on participants’ health (HJHS score). Perform a statistical test to examine whether having a trainer and workout type influence health.  Upload your output file showing this test.

A study looks at several companies’ profits before and after the introduction of a environmentally friendly initiative. Below is the data that was collected (note: N/A means data is missing because the company failed to report it).   Profit of Companies (in millions of dollars) Pre-Initiative Post-Initiative Company 1 12.7 13.2 Company 2 10.4 12.5 Company 3 9.5 8.5 Company 4 N/A 8.4 Company 5 8.6 8.9 Company 6 N/A 10.7 Company 7 6.9 6.5 Company 8 7.7 9.9 Company 9 10.1 9.8 Company 10 11.8 12.1 Company 11 12.2 14.5 Company 12 8.9 9.7   What are the degrees of Freedom for this test?

A study looks at the average wait times (minutes) in hospital Emergency Rooms before and after a training programming for staff. Below is the data that was collected (note: N/A means data is missing because the hospital failed to report it).   ER Wait Times (in mins) Pre-Training Post-Training Hospital 1 15 14 Hospital 2 10 11 Hospital 3 27 26 Hospital 4 43 28 Hospital 5 37 27 Hospital 6 17 15 Hospital 7 28 N/A Hospital 8 12 15 Hospital 9 19 11 Hospital 10 N/A 30   What are the degrees of freedom for this test?

How many subjects were examined in the following t test:  t(45) = 2.01, p < 0.05?

Twenty subjects come into a lab and are asked to complete tests measuring their concentration. First, they complete one round of tests. After a short break, they are given a second round of tests while music plays softly in the background. The researcher predicts they will perform worse with the music than without it.   What test should the researcher use to analyze this prediction?

The clerk’s record contains witness testimony transcripts

Dental Hygiene school is hard!

Calculations You will need to return to this page to use the table & the find the equations.   Formulas you will need: Independent Samples T-Test: