Question

Following are the height of 20 students (in cm).
155, 158, 152, 147, 153, 162, 144, 148, 141,
150, 157, 145, 161, 154, 142, 163, 154, 160,
155, 143
What is the range of the data?
Make a frequency distribution table for this
data using equal class-intervals, one of them
being 140-145.
​

Answer 1

Answer:

range=

163-141=22

make distrution of 5 for table