Ratio and Proportion 26)  500 people for 3000 tickets.  How many tickets will one person receive?

If three samples have means of 10, 20, and 15, respectively, what is their grand mean?

Ratio and Proportion 30)  57 books to 95 students, how many books to 5 students?

An organizational psychologist conducts a t test for dependent means in which it is predicted that there will be a decrease in unemployment from before to after a job-skills training program. The cutoff t needed is -1.833. The standard deviation of the distribution of means of change scores is 2.0, and the mean change score for the sample studied is an increase of 5.2. What is the t score?

Fractions reduce to lowest terms 31)

Divide 16)

Solve 36)  7000mg = How many grams?

Ratio and Proportion 27)  216 pies to 27 sales.  How many pies are to 2 sales?

Divide 19)

Divide 18)