Question

The class mark of a class is 10 and its class width is 6.The lower

limit of the class is

a)5 b)7 c)8 d)10

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Answer 1

Answer:

b)7

Step-by-step explanation:

the limits of a class=class mark±(class width/2)

                      lower limit=10-(6/3)          

                                        =10-3

                                       =7