1. Identify what whether each of the following are quantitative, qualitative or ranked data. (5 points each)

• political party

• birth order

• reaction time

• order of finish in a 400-meter race

• miles per gallon a car gets

2. For the IQ scores 185, 110, 120, 105, 125, 105, find the mode, the median, and the mean (Show work). Which measure(s) of central tendency should be used to best describe this set of scores? Why? (11 points)

3. The following problems will be done by hand and in Jamovi. You can either copy and paste your Jamovi output table(s) into this word document or upload them to the assignment as a separate file.

For each of the following data sets calculate the mean (4 pts), median (2 pts), mode (2 pts), range (2 pts), and standard deviation (6 pts).

• X = 12, 3, 16, 10, 7, 3
• X = 13, 10, 9, 5, 3, 10, 10
• X = 4, 4, 6, 8, 7, 6, 8, 4
• X = 5, 4, 3, 8, 10, 6, 8