In a cricket match, a batswoman hits a boundary 6 times out of 30 balls she plays. Find the probability that she did not hit a boundary.
Ncert Math Solutions Class 9th Chapter 14 Statistics Exercise 14.4 Question 6
Give one example of a situation in which:
(i) the mean is an appropriate measure of central tendency.
(ii) the mean is not an appropriate measure of central tendency but the median is an
appropriate measure of central tendency.
Ncert Math Solutions Class 9th Chapter 14 Statistics Exercise 14.4 Question 5
Find the mean salary of 60 workers of a factory from the following table:
Ncert Math Solutions Class 9th Chapter 14 Statistics Exercise 14.4 Question 4
Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.
Ncert Math Solutions Class 9th Chapter 14 Statistics Exercise 14.4 Question 3
The following observations have been arranged in ascending order. If the median of the data is 63, find the value of x.
29, 32, 48, 50, x, x + 2, 72, 78, 84, 95
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