Author Question: A researcher has conducted an experiment in which the independent variable is room temperature. Two ... (Read 124 times)

leilurhhh · **on:** Jun 20, 2018

A researcher has conducted an experiment in which the independent variable is room temperature. Two conditions (a hot room and a cold room) were used. The dependent variable was the length of time required to complete a jigsaw puzzle. What is the best way to state that there is a relationship?

a. The mean times to complete the puzzle are not different for the two room conditions.
b. The mean room temperatures are not different for the length of time required to complete the jigsaw puzzle.
c. The mean times to complete the puzzle are different for the two room conditions.
d. The mean room temperatures are different for the length of time required to complete the d. jigsaw puzzles.

Question 2

When deciding which type of measure of central tendency is appropriate, we consider the scale of measurement used to measure the

a. variability of the distribution. c. independent variable.
b. mean. d. dependent variable.