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Question 1
What is the median of 2, 4, 6, …, 100?
Question 2
Fifteen candidates appeared in an examination. The marks of the candidates who passed in the examination are 9, 6, 7, 8, 8, 9, 6, 5, 4 and 7 . What is the median of marks of all the fifteen candidates?
Question 3
If the yield (in gm) of barley from 7 plots of size one square yard each, were found to be 180, 191, 175, 111, 154, 141 and 176 then what is the median yield?
Question 4
Which one of the following measures of central tendency will be used to determine the average size of the shoe sold in the shop?
Question 5
When the class intervals have equal width, the height of a rectangle in a histogram represents
Question 6
The ages of 7 family members are 2, 5, 12, 18, 38, 40 and 60 years respectively. After 5 years a new member aged x years is added. If the mean age of the family now goes up by 1.5 years, then what is the value of x?
Question 7
The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 kg and that of girls is 40 kg. The number of boys exceeds the number of girls by
Question 8
The mean of five observations x, x + 2, x + 4, x + 6, x + 8 is m. What is the mean of the first three observations?
Question 9
Direction: Read the following information and answer the four items that follow:
The data shows that Indian roads are timing deadlier over the years.
What was the average number of pedestrians killed per day in the year 2017?
Question 10
Direction: Read the following information and answer the four items that follow:
The data shows that Indian roads are timing deadlier over the years.
What is the approximate percentage change in the pedestrians’ fatalities during the period 2014-17?
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Jan 29CDS & Defence
