MATHEMATICS [2 Mark Question Answer]

Define the following term : Cumulative frequency of a class

Define the following term : Frequency of a class

Define the following term : True class-limits

Define the following term : Class-mark

Define the following term : Class-limits

Define the following term : Class-size

Define the following term: Class-interval

Define the following term : Variable

The class marks of a frequency distribution are 28, 34, 40, 46, 52. Find the class-size and all the class-intervals.

Find the range of the data : 11, 13, 17, 14, 19, 14, 15, 18

Find the range of the data : 5, 7, 16, 21, 8, 10

What are primary data and secondary data? Which of the two are more reliable and why?

Define statistics as a subject.

What are primary data and secondary data? Which of the two are more reliable and why?

Define statistics as a subject.

Define the following term:
Cumulative frequency of a class

Define the following term:
Frequency of a class

Define the following term:
True class-limits

Define the following term:
Class-limits

Define the following term:
Class-mark

Define the following term:
Class-size

Define the following term:
Class-interval

Define the following term:
Variable

Find the range of the data :
(a) 5, 7, 16, 21, 8, 10 (b) 11, 13, 17, 14, 19, 14, 15, 18
[Hint : Range = (Highest value) - (Lowest value)]