Question

what is the class mark of class interval 35-45​

Answer 1

Answer:

class mark = lower limit +upper limit/ 2

= 35+45 / 2

= 80/2

= 40

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Answer 2

Answer:

40

Step-by-step explanation:

Class mark = Lower limit + Upper limit / 2

35+45 / 2

80 / 2

40

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