Total number of points scored by them
Max and Mary play in a chess game. If the ratio of points scored by Max to points scored by Mary is 6 to 2, which of the following could be the total number of points scored by them?
The most preferable shirt size
A shopkeeper recorded the data regarding the number of shirts sold in the month of September at its factory outlet. The data are given below in table. Study the data and suggest him, the production of which shirt size should he increased to earn the profit? Which measure do you use to find the most preferable shirt size? Size 85 cm 90 cm 95 cm 100 cm Total Frequency 100 600 500 300 1600 a) 85 cm, Mean b) 90 cm, Mode c) 95 cm, Median d) 92 cm, Mode
The heights of students
A class teacher arranges 8 students in a line according to ascending order of their height. The heights of students are given below. 135 cm, 145 cm, 150 cm, 165 cm, 140 cm, 152 cm, 160 cm, 158 cm Later a new student got admitted whose height is 154 cm. What is the median height of students now? Where the new student would be seated? a) 154 cm, in middle b) 158 cm, at 6th place c) 156 cm, at 7th place d) 155 cm at 4th place
the average age of three friends
Three friends Rajan, Rakesh and Mukesh are childhood friends. They remember that, three years ago the average of their ages was 27 years. While Rakesh and Mukesh remember that five years ago the average age of them was 20 years only. How old is Rajan now?
The weight of new man
The average weight of 8 men is increased by 1.5 kg when one of the men who weigh 65 kg is replaced by a new man. What is the weight of new man?
The representative value of mathematics scores ,
The mathematics scores of some of the students are given below. ( out of 30) 12, 14, 16, 15, 20, 23, 26, 28, 29, 22, 30 Teacher wanted to find the representative value of their scores such that she could say that half of students have scored marks above that and half of the students have scored marks below that? What was that score? a) 20 b) 22 c) 21 d) 23
How to find mean of numbers?
Mean number of people? Mean is a value obtained by dividing the sum of all the values of a variable by the number of values.
Statistics – Range concept
Find the values of median.
Mode-median
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