Question

The following data give the pocket expenses of 100 students of a school

Weekly pocket expenses (in rupees)
30
35
45
50
55
60
65


Number of students
6
10
14
22
35
9
4


Prepare a grouped frequency distribution of class intervals of equal width, taking one of the class intervals as 30 – 40

Answer 1

Answer:

b. Verify the associative property for the addition of the following whole numbers.  

(2marks)

                                                           

                                                        13 , 11 , 12  

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Step-by-step explanation:

b. Verify the associative property for the addition of the following whole numbers.  

(2marks)

                                                           

                                                        13 , 11 , 12