Question

the exam scores of 25 students are given below. use the frequency distribution tool to determine the frequency distribution of the data. 77 73 74 71 74 73 77 76 72 88 77 78 74 81 74 71 62 58 58 78 77 68 81 73 93 copy data to clipboard exam score frequency 40 - 49 50 - 59 60 - 69 70 - 79 80 - 89 90 - 99 100 - 109

Explanation:

Step1: Count scores in 40 - 49

No scores in this range, so frequency is 0.

Step2: Count scores in 50 - 59

Scores 58, 58 are in this range, frequency is 2.

Step3: Count scores in 60 - 69

Scores 62, 68 are in this range, frequency is 2.

Step4: Count scores in 70 - 79

Count occurrences of scores like 71, 73 etc., frequency is 15.

Step5: Count scores in 80 - 89

Scores 81, 81, 88 are in this range, frequency is 3.

Step6: Count scores in 90 - 99

Score 93 is in this range, frequency is 1.

Step7: Count scores in 100 - 109

No scores in this range, frequency is 0.

Answer:

Exam Score	Frequency
50 - 59	2
60 - 69	2
70 - 79	15
80 - 89	3
90 - 99	1
100 - 109	0