Math, asked by sg8123602, 10 months ago

The heights (in cm) of 20 students were recorded as under:
128 142
126 131 136 128 133 132
133 134 138 135 134
136 137 139 143
129
138​

Answers

Answered by HarshAditya098
4

Answer:

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

Step-by-step explanation:

Answered by sakshiswaragawande12
5

Answer:

Minimum height =131cm

Maximum height =156cm

Range =156−131=25

Number of classes =4

Class range =425=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

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