ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 23 Measures of Central Tendency Chapter Test
These Solutions are part of ML Aggarwal Class 10 Solutions for ICSE Maths. Here we have given ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 23 Measures of Central Tendency Chapter Test.
Arun scored 36 marks in English, 44 marks in Civics, 75 marks in Mathematics and x marks in Science. If he has scored an average of 50 marks, find x.
The mean of 20 numbers is 18. If 3 is added to each of the first ten numbers, find the mean of new set of 20 numbers.
The average height of 30 students is 150 cm. It was detected later that one value of 165 cm was wrongly copied as 135 cm for computation of mean. Find the correct mean.
There are 50 students in a class of which 40 are boys and the rest girls. The average weight of the students in the class is 44 kg and average weight of the girls is 40 kg. Find the average weight of boys.
The contents of 50 boxes of matches were counted giving the following results
Calculate the mean number of matches per box.
The heights of 50 children were measured (correct to the nearest cm) giving the following results :
Find the value of p for the following distribution whose mean is 20.6 :
Find the value of p if the mean of the following distribution is 18.
Find the mean age in years from the frequency distribution given below:
Calculate the Arithmetic mean, correct to one decimal place, for the following frequency distribution :
The mean of the following frequency distribution is 62.8. Find the value of p.
Hence p = 10
The daily expenditure of 100 families are given below. Calculate f1, and f2, if the mean daily expenditure is Rs 188.
The measures of the diameter of the heads of 150 screw is given in the following table. If the mean diameter of the heads of the screws is 51.2 mm, find the values of p and q
Mean = 51.2
No. of screws = 150
The median of the following numbers, arranged in ascending order is 25. Find x, 11, 13, 15, 19, x + 2, x + 4, 30, 35, 39, 46
Here, n = 10, which is even
If the median of 5, 9, 11, 3, 4, x, 8 is 6, find the value of x.
Find the median of: 17, 26, 60, 45, 33, 32, 29, 34, 56 If 26 is replaced by 62, find the new median.
The marks scored by 16 students in a class test are : 3, 6, 8, 13, 15, 5, 21, 23, 17, 10, 9, 1, 20, 21, 18, 12
(i) the median
(ii) lower quartile
(iii) upper quartile
Arranging the given data in ascending order:
1, 3, 5, 6, 8, 9, 10, 12, 13, 15, 17, 18, 20, 21, 21, 23
Here n = 16 which is even.
Find the median and mode for the set of numbers : 2, 2, 3, 5, 5, 5, 6, 8, 9
Calculate the mean, the median and the mode of the following distribution :
The daily wages of 30 employees in an establishment are distributed as follows :
Estimate the modal daily wages for this distribution by a graphical method.
Using the data given below, construct the cumulative frequency table and draw the ogive. From the ogive, estimate ;
(i) the median
(ii) the inter quartile range.
Also state the median class
Draw a cumulative frequency curve for the following data :
(i) the median
(ii) the pass marks if 85% of the students pass.
(iii) the marks which 45% of the students exceed.
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