Statistics - Olympiad Level MCQ, Class 9 Mathematics - Class 9 MCQ

When the heights of the given peaks are written in ascending order, then what is the average of the middle

two peaks ?

At what subject is the student sharp ?

In which subject is the student poor ?

What are the average marks obtained by the student ?

What is the percentage obtained by the student ?

What is the ratio of the highest marks to the lowest marks obtained by the student ?

What is the percentage increase in speed during 9.00 hrs and 11.00 hrs ?

What is the percentage of decrease in speed during 19.00 hrs and 21.00 hrs ?

What is the average speed between 5.00, 7.00 and 9.00 hrs ?

What is the percentage decrease is temperature between 17.00 hrs and 19.00 hrs ?

The arithmetic mean of first five natural number is :-

If the arithmetic mean of 6, 8, 5, 7, x and 4 is 7, then x is :-

The arithmetic mean of first ten natural numbers is :-

The weight (in kg) of 5 men are 62, 65, 69, 66 and 61. The median is :-

If in a data, 10 numbers arranged in increasing order. If the 7th entry is increased by 4, then the median increase by :-

The mean of x, x + 3, x + 6, x + 9 and x + 12 is :-

The daily sale of kerosene (in litres) in a ration shop for six days is as follows : 75, 120, 12, 50, 70.5 and

140.5 The average daily sale is :-

The mean of five numbers is 27. If one of the numbers is excluded the mean gets reduced by 2. The excluded

number is :-

The median of the following data 46, 64, 87, 41, 58, 77, 35, 90, 55, 33, 92 is :-

The mean of 10 observation is 25. If one observation namely 25, is deleted, the new mean is :-

The mean of 10 observation is 25. If one observation namely 25, is deleted, the new mean is :-

The daily earnings (in rupees) of 10 workers in a factory are 8, 16, 19, 8, 16, 19, 16, 8, 19, 16. The median

wage is :-

The mean of 6, y, 7, x and 14 is 8. Then :-

Find the mean of 994,996,998,1002 and 1000.

The runs scored by Sachin in 5 test matches are 140, 153, 148, 150 and 154 respectively. Find his mean:-

The mean of first six multiples of 4 is :-

The mean of first five prime numbers is :-