# Jannel

Popular questions and responses by Jannel
1. ## Statistics

In Professor Smith's statistics course, the correlation between students' total scores before the final exam and their final exam scores is r = 0.67. The pre-exam totals for all students in the course have a mean of 275 and a standard deviation of 26. The

2. ## statistics

Data on number of days of work missed and annual salary increase for a company's employees show that in general exployees who missed more days of work during the year received smaller raises than those who missed fewer days. A detailed analysis showed that

3. ## Biology

What would happen to a protein in this example if the 9th base in the original DNA strand was changed to thymine ?

1. ## statistics

I messed around the numbers and I sqrt .74 and added a negative sign to it and got it right. How do you know if it's a negative correlation?

posted on February 1, 2009
2. ## statistics

I tried those answers and it didn't work. =(

posted on February 1, 2009
3. ## statistics

Is it really A?

posted on February 1, 2009