The Weekly pocket expenses (in ru
" Pocket expenses (in rupees) of 30 students of a class are given below:
62, 80, 110, 75, 84, 73. 60,62 ,100, 87 ,78
94 ,117 ,86,65., 68, 90, 80, 118, 72, 95,
72, 103, 96, 64, 94, 87, 85, 105, 115.
Construct a frequency table with class intervals 60–70 (where 70 is not included), 70-80,
80-90, etc.
Answers
Frequency table is prepared below:
Step-by-step explanation:
We are given with the Weekly Pocket expenses (in rupees) of 30 students of a class below;
62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115
Now, we have to Prepare a frequency distribution table with Class Intervals 60 - 70 (where 70 is not included), 70 - 80, 80 - 90, and so on;
Frequency distribution table shows that how many times a particular number appears in our data, i.e.;
Class interval of 60 - 70 shows that how many data values lie within this interval, i.e., in our data there are 6 values which lie in the interval 60 - 70.
Class Interval Frequency
60 - 70 6
70 - 80 5
80 - 90 7
90 - 100 5
100 - 110 3
110 - 120 4
Total = 30
Hence, this is the required frequency table.
Answer:
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