Which of the following is an equation for a line of best fit?
Which of the following scatter plots shows that there is a positive correlation in the data set?
In an experiment, a student wants to measure the volume of gas produced by a chemical reaction. The experiment is repeated 5 times and the volumes of gas measured are 22.5 cm3, 22.7 cm3, 22.3 cm3, 22.1 cm3, and 22.4 cm3. What is the average volume of gas produced by this reaction?