Before raw data can be used as scientific evidence, it must be analyzed and summarized. One way of summarizing data is to find the mean, or average, of a set of data points. What method is used for calculating the mean?
Answer
A
adding the values of all the data points and dividing by the number of data points
B
dividing the value of each data point by the total value of all the data points
C
multiplying the values of the highest and lowest data point, and then dividing by two
D
subtracting the highest value among the data points from the lowest value