Question

The following data describes grades of students in history. Complete the frequency table for this data.

83.983.9, 93.093.0, 80.380.3, 88.388.3, 93.693.6, 93.493.4, 95.295.2, 80.580.5, 91.391.3, 82.482.4, 87.687.6, 90.690.6, 84.384.3, 78.978.9, 96.896.8, 91.891.8, 78.978.9, 85.385.3

Copy Data

Determine the frequency of each class in the table shown.

Answer

Tables Keypad

Grades of Students in History

Class	Frequency
78.0–81.978.0–81.9	Answer
82.0–85.982.0–85.9	Answer
86.0–89.986.0–89.9	Answer
90.0–93.990.0–93.9	Answer
94.0–97.994.0–97.9	Answer

Answer 1

83.9, 93.0, 80.3, 88.3, 93.6, 93.4, 95.2, 80.5, 91.3, 82.4, 87.6, 90.6, 84.3, 78.9, 96.8, 91.8, 78.9, 85.3

There are total 18 values in the above data

We determine the frequency of each class in the table shown below

Grades of students in History

Class	Frequency
78.0 - 81.9	4
82.0 - 85.9	4
86.0 - 89.9	2
90.0 - 93.9	6
94.0 - 97.9	2

Summary :-

The table of Class and Frequency is

Class	Frequency
78.0 - 81.9	4
82.0 - 85.9	4
86.0 - 89.9	2
90.0 - 93.9	6
94.0 - 97.9	2