Answers2025-2026_MDCPS_2003345_Chemistry_1_A-CRCumulative Exam — Cumulative examQuestion 25
25
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Cumulative Exam — Cumulative exam

Question 25 • 2025-2026_MDCPS_2003345_Chemistry_1_A-CR

Francine makes several measurements of the mass of a metal block. The data set is shown in the table below.MeasurementMass of metal block (g)120.73220.76320.68420.75After analyzing this data set, Francine calculates a value of 20.73 g. Which of these characteristics has been calculated?

Answer
A
mean
B
median
C
mode
D
range

Explanation

To find the mean, add the four measurements and divide by 4: (20.73 + 20.76 + 20.68 + 20.75) ÷ 4 = 82.92 ÷ 4 = 20.73 g. Therefore, Francine calculated the mean, the average of the measurements.

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