To determine how tall the bar representing the frequency of people who responded with 2 to 3 cups of coffee would be, we need to count the number of responses that fall within this range (2 and 3).
From the data set:
{0, 2, 1, 2, 3, 0, 1, 5, 3, 4, 2, 1, 1, 1, 3, 2, 2, 0, 2, 0, 1}
Now, let's count the occurrences of 2 and 3:
- The number 2 appears: 5 times (positions: 1, 3, 10, 16, 18)
- The number 3 appears: 4 times (positions: 4, 9, 15)
Now, we add these counts together:
Frequency of 2 (5) + Frequency of 3 (4) = 5 + 4 = 9
Thus, the height of the bar representing the frequency of people who responded with 2–3 cups of coffee in the histogram would be 9.