Class 10 · ICSE · Mathematics

Statistics

Mean, median, mode and quartiles for raw, discrete and grouped data.

Questions: 17
PYQs: 0
Topics: 2

Syllabus mapping: ICSE syllabus (CISCE)

All questions Practise this chapter

Topics in this chapter

Narrow to a single topic to practise one idea at a time.

Mean of Grouped Data1 Median, Mode and Quartiles2

Questions

17 questions in this chapter.

Answer available
Class 10 · Mathematics · Statistics
Find the mode of 2, 3, 3, 4, 5, 3 and 6.
2 marksEasyNumerical
Answer available
Class 10 · Mathematics · Statistics
If every observation of a set is multiplied by 3, the mean is:
1 markMediumMCQ
Answer available
Class 10 · Mathematics · Statistics
The mean weight of 30 students in a class is 45 kg. Ten new students of mean weight 52 kg join the class. Find the mean weight of the whole class now.
3 marksMediumApplication based
Answer available
Class 10 · Mathematics · Statistics
Find the mean of 5, 10, 15, 20 and 25.
2 marksEasyNumerical
Answer available
Class 10 · Mathematics · Statistics
The mean of the numbers 12, 15, x, 20 and 25 is 18. Find x.
4 marksHardNumerical
Answer available
Class 10 · Mathematics · Statistics
Define the range of a set of observations and find the range of 14, 9, 22, 5 and 18.
3 marksMediumShort answer
Answer available
Class 10 · Mathematics · Statistics
The median of the numbers 4, 6, 8, 10 and 12 is:
1 markEasyMCQ
Answer available
Class 10 · Mathematics · Statistics
Find the median of 12, 7, 15, 9, 20, 11 and 18.
3 marksMediumNumerical
Answer available
Class 10 · Mathematics · Statistics
State one situation in which the median is a better measure of central tendency than the mean, and explain why.
3 marksMediumShort answer
Answer available
Class 10 · Mathematics · Statistics
Find the mean of the first ten natural numbers, and state what happens to the mean if each number is increased by 5.
3 marksMediumNumerical
Answer available
Class 10 · Mathematics · Statistics
The mean of 8 observations is 25. If one observation of 30 is removed, find the mean of the remaining observations.
3 marksMediumNumerical
Answer available
Class 10 · Mathematics · Statistics
The mean of 20 observations is 25. It was later found that an observation recorded as 40 should have been 60. Find the corrected mean.
4 marksHardNumerical

See all 17 questions