Shubhvanshi7id
Answered

please answer me fast plz ​

Please Answer Me Fast Plz class=

Sagot :

Answer:

find the classmark of each interval

  • forexample
  • (140+150)/2
  • (150+160)/2

do the same up to (190+200)/2

then

draw a graph by using frequently (number of weeks) on y-axis against classmark on x-axis

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