Question

while hanging christmas lights for neighbors, savannah counted the number of broken lights on each string. how many strings are there in all? strings

Explanation:

Step1: Identify bar heights

From the histogram, the heights (number of strings) for each interval are: 1 (0-19), 1 (20-39), 4 (40-59), 4 (60-79), 3 (80-99), 3 (100-119), 0 (120-139), 5 (140-159).

Step2: Sum the heights

$$1 + 1 + 4 + 4 + 3 + 3 + 0 + 5 = 24$$

Answer:

24