Question

1. devon surveyed his classmates to find out in what month they were born. the results are shown below. complete the frequency chart by organizing the responses into the given ranges in the chart. what was the frequency of (a) january - march, (b) april - june, (c) july - september, and (d) october - december? 03 11 08 01 11 09 12 02 10 10 07 07 01 03 06 01 05 01 06 10 01 10 10 08 01 12 05 01 04 05

Explanation:

Step1: Count January - March

January - March corresponds to months 01, 02, 03.
Count the number of 01, 02, 03 in the data:
Number of 01: 7, number of 02: 1, number of 03: 2.
Total = \(7 + 1+2=10\)

Step2: Count April - June

April - June corresponds to months 04, 05, 06.
Number of 04: 1, number of 05: 3, number of 06: 3.
Total=\(1 + 3+3=7\)

Step3: Count July - September

July - September corresponds to months 07, 08, 09.
Number of 07: 2, number of 08: 2, number of 09: 1.
Total=\(2 + 2+1=5\)

Step4: Count October - December

October - December corresponds to months 10, 11, 12.
Number of 10: 6, number of 11: 2, number of 12: 2.
Total=\(6 + 2+2=10\)

Answer:

(a) \(10\)
(b) \(7\)
(c) \(5\)
(d) \(10\)