A scientist conducted an experiment and expected the data he collected to be between 3 and 6 ppm. He did the experiment 3
times and collected 3 sets of data.
• Data set 1: 3, 5,9
• Data set 2: 1, 8, 13
• Data set 3: 13, 13, 14
Which data set is the most
PRECISE?
A. Data Set 1
B. Data Set 2
C. Data Set 3