Question

Class Interval: 10 - 20
Identify
Lower class limit
Upper class limit
Class mark
Class size​

Answer 1

Answer:

lower class limit =10

upper class limit=20

class mark =15

(10+20)/2

class size=10

(20-10)

Answer 2

lower mark limit : 20

upper mark limit :10

class mark:15

class size :10

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