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 for January - March (1 - 3)

Count the numbers 1, 2, 3 in the data. There are 8 numbers (01 appears 7 times, 02 appears 1 time, 03 appears 2 times. Total \(7 + 1+2=10\)).

Step2: Count for April - June (4 - 6)

Count the numbers 4, 5, 6. 04 appears 1 time, 05 appears 3 times, 06 appears 3 times. Total \(1 + 3+3 = 7\).

Step3: Count for July - September (7 - 9)

Count the numbers 7, 8, 9. 07 appears 3 times, 08 appears 3 times, 09 appears 1 time. Total \(3+3 + 1=7\).

Step4: Count for October - December (10 - 12)

Count the numbers 10, 11, 12. 10 appears 6 times, 11 appears 2 times, 12 appears 2 times. Total \(6+2 + 2=10\).

Answer:

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