Question

Classify the data given below as primary or secondary data:

 Shoe size of 10 students of class 9.

 The blood groups of any 20 of your friends.

 Number of members in the families of your classmates.

 Marks obtained by 30 students in a mathematics test.

 Number of plants planted by 100 schools during Van Mahotsava.​

Answer 1

Answer:

pocket money? u: c) What is the ratio of Tina's pocket money to their total pocket money? d) What is the ratio of Suman's pocket money to their total pocket money? e) Express Suman's pocket money as a fraction of their total pocket money, 2. Proportion

Step-by-step explanation:

ok wwi yfui paf

Answer 2

Answer:

Here is the answer

Step-by-step explanation:

1 and 3 are the primary

2,4,5 are the secondary