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Question

An illustration shows two sets of dot plots. One is titled Movie 1 and the other is Movie 2. The plots are shown as an abacus-like representation with dots in a vertical row over each number on a number line. For Movie 1, a number line with arrows on both ends ranges from 17 to 43 in increments of 1. There is 1 dot above 17, 18, 21, 22, 25, 26, 28, 29, 32, 33, 35, 36, 38, 40, and 43. There are 2 dots above 23 and 3 dots above 20. For Movie 2, the number line ranges from 24 to 50 in increments of 1. There is 1 dot above 25, 28, 32, 35, 36, 42, 43, 45, 47, 48, and 50. There are 2 dots above 30, 34, and 37, and 3 dots above 40.

The dot plots show the ages, in years, of people watching two movies at a local theater. Find the range of the ages of the people who watched each movie.

(1 point)
The range of the ages of the people who watched Movie 1 is
.
The range of the ages of the people who watched Movie 2 is
.

Answer 1

To find the range of ages for each movie, we can subtract the smallest age from the largest age in each dot plot.

For Movie 1:

• The smallest age is 17 (1 dot).
• The largest age is 43 (1 dot).
• Range = Largest age - Smallest age = 43 - 17 = 26.

For Movie 2:

• The smallest age is 24 (no dots).
• The largest age is 50 (1 dot).
• Range = Largest age - Smallest age = 50 - 24 = 26.

Thus, the range of the ages of the people who watched Movie 1 is 26, and the range of the ages of the people who watched Movie 2 is also 26.