Question

1 the histogram above shows the amount of time that a group of students spent completing a study guide. how many students spent at most 40 minutes? a) 5 ms. pegram b) 7 mrs. burtram c) 10 mr. hudson d) 19 mrs. bestafka e) 20 mr. rowe

Explanation:

Step1: Identify relevant intervals

The intervals for at - most 40 minutes are 1 - 20 and 21 - 40.

Step2: Find frequencies of intervals

The frequency for 1 - 20 minutes is 2, and for 21 - 40 minutes is 5.

Step3: Calculate total frequency

Total frequency = 2 + 5 = 7.

Answer:

B. 7