#### Class 10 Maths Study Material

An Educational platform for Preparation and Practice Class 10. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 10. This study material help Class 10, Maths students in learning every aspect of Statistics. Students can understand Statistics concept easily and consolidate their learning by doing Online Practice Tests on Maths,Statistics chapter repeatedly till they excel in Class 10, Statistics. Free ONLINE PRACTICE TESTS on Class 10, Statistics comprise of Hundreds of Questions on Statistics, prepared by the highly professionals team. Every repeat test of Statistics will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Statistics. Attempt ONLINE TEST on Class 10,Maths,Statistics in Academics section after completing this Statistics Question Answer Exercise.

**Unique pattern**

- Topic wise:Statistics preparation in the form of QUESTION & ANSWER.
- Evaluate preparation by doing ONLINE TEST of Class 10, Maths,Statistics.
- Review performance in PRACTICE TEST and do further learning on weak areas.
- Attempt repeat ONLINE TESTS of Maths Statistics till you excel.
- Evaluate your progress by doing ONLINE MOCK TEST of Class 10, Maths, All TOPICS.

b) 9.67 approx.

c) 10.67 approx.

d) 11.67 approx.

If the mean concentration of SO2 in air is 0.099 ppm, the assumed mean for this is 0.14, class interval is 0.04 where ∑fiui is -31. Find the Frequency of the groups data.

b) 40

c) 31

d) 30

b) Median

c) Mode

d) All of these

b) Class mark

c) Class size

d) None of these

b) FALSE

c) Some extent

d) All of these

b) 5

c) 9

d) 15

b) No

c) Some extent

d) None of these

b) FALSE

c) Some extent

d) All of these

Solve for ∑fiui where the cumulative frequency is 30 and the mean heart beat per minute is 75.9.

b) 2

c) 3

d) 4

b) 15

c) 20

d) 25