If you found t(60) = 1.70, one tailed, what can we conclude about this results significance?

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 N/A Company 11 12.2 14.5 Company 12 8.9 9.7   What are the degrees of Freedom for this test?

Based on the significance you found, which of these should be your conclusion?

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?

What are your degrees of freedom for this data set?

If you found t(23) = 1.70, how many participants were there?

The t test for independent means is used when each group is tested ____________.

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?

High school attendance study A high school conducts an experiment to test if there is a difference between the number of times their students are absent in the fall months compared to the winter months.   You have data for the following 5 students: Data STUDENT FALL WINTER 1 2 3 4 5   What is the t-test statistic for this data (i.e., the obtained value)? (Write your number below to 2 decimal places)

High school attendance study A high school conducts an experiment to test if there is a difference between the number of times their students are absent in the fall compared to the winter months.   You have data for the following 5 students:   Data STUDENT FALL WINTER 1 1 2 2 2 3 3 1 3 4 2 2 5 1 1   What do you conclude about this school’s absences? (Assume standard