Question

the following data respresent the heights in cm of 20 Students 129,120,132,135,134,133,129,132128,129,120,133134,132,132,131,129,133,134,135​

Answer 1

Answer:

Step-by-step explanation:

WHAT IS THIS QUESTION

Answer 2

Answer:

Minimum height =131cm

Maximum height =156cm

Range =156−131=25

Number of classes =4

Class range =

4

25

=6.25 approx 6

class 1=131+6=137

class 2=137+6=143

class 3=143+6=149

class 4=149+6155

class 5=155+6=161

Class interval Frequency

131−137 9

137−143 3

143−149 2

149−155 4

155−161 2