The Customers Service Center of a large bank receive calls from customers. The number of incoming calls between 8:00 AM and 8:10 AM in consecutive days were recorded. The number of incoming calls during the working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6, 14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4, 3, 5. In light of the description given, select the correct answer. The height of the fourth bar from the left of the bar plot for the month of February represents the fact:Question 4Answera.In 4 of the days of the month of February there were 5 incoming calls.b.In 5 of the days of the month of February there were 4 incoming calls.c.In 4 of the days of the month of February there were 2 incoming calls.d.In 2 of the days of the month of February there were 4 incoming calls.
Question
The Customers Service Center of a large bank receive calls from customers. The number of incoming calls between 8:00 AM and 8:10 AM in consecutive days were recorded. The number of incoming calls during the working days of the month of September were 8, 10, 6, 7, 12, 7, 8, 7, 8, 6, 9, 4, 6, 14, 10, 10, 10, 10, 6, 10, 12, 7. The number of incoming calls during the working days of the month of February were 9, 11, 14, 6, 4, 6, 7, 3, 3, 2, 5, 6, 6, 5, 6, 7, 5, 4, 3, 5. In light of the description given, select the correct answer. The height of the fourth bar from the left of the bar plot for the month of February represents the fact:Question 4Answera.In 4 of the days of the month of February there were 5 incoming calls.b.In 5 of the days of the month of February there were 4 incoming calls.c.In 4 of the days of the month of February there were 2 incoming calls.d.In 2 of the days of the month of February there were 4 incoming calls.
Solution
To answer this question, we first need to count the frequency of each number of calls in February.
The numbers of calls are: 2, 3, 4, 5, 6, 7, 9, 11, and 14.
Counting the frequency of each, we get:
- 2 calls: 1 day
- 3 calls: 3 days
- 4 calls: 2 days
- 5 calls: 4 days
- 6 calls: 5 days
- 7 calls: 2 days
- 9 calls: 1 day
- 11 calls: 1 day
- 14 calls: 1 day
The fourth bar from the left would represent the number of days with 5 calls.
So, the correct answer is:
a. In 4 of the days of the month of February there were 5 incoming calls.
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