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The weight (in kg) of 5 men are 62, 65, 69, 66 and 61. The median is
arrange in ascending order
Median item
item
is the median
The mean of \(x, x + 3, x + 6, x + 9\) and \(x + 12\) is
Mean
The mean of a data is P. if each observation is multiplied by 3 and then 1 is added to each result then the mean of the new observation so obtained is
New mean
The mean of 20 observations is 12.5. By error one observation was noted as – 15 instead of 15. Then the correct mean is
New mean
The average age of 5 teachers is 28 years. If one teacher is excluded, the mean gets reduced by 2 years. The age of the excluded teacher is
years
Which of the following is not a measure of central tendency?
Standard deviation
The true statement for the data:- 1, -1, 0, 2, 3, 5, 5, 6, 8, 10, 11, is
Mode is 5
Median = 5
Mean
The mean weight of a class of 34 student is 46.5kg. If the weight of the teacher is included, the mean rises by 500 gm. Then the weight of the teacher is
Weight of teacher
If in a data, 10 numbers arranged in increasing order. If the 7th entry is increased by 4, then the median increases by
Median is and
data hence it is not affected by
entry
20 years ago, when my parents married their average age was 23 years, now the average age of my family consisting of myself and my parents only is 35 years. My parent age is
Total age of parents years
years
The mean of \(x, x+3, x+6, x+9\) and \(x+12\) is
The average income of Sambhu and Ganesh is Rs 3000 and that of Arun and Vinay is Rs 500. What is the average income of Sambhu, Ganesh, Arun, Vinay?
Sum of income of Sambhu and Ganesh
Sum of income of Arun and Vinay
Average income
If the arithmetic mean of a number of series is \(\bar x \) and the sum of \((n-1) \) numbers is \( k\), then the \(n^{th} \) number is
Sum of the number
Sum of number
number
The numbers \(3, 5, 6, 4\) have frequencies \(x, x+2, x-8, x+6\) respectively. If their mean is \(4\) then \(x=\)
The sum
No. of observation
Mean
The average value of the median of 2, 8, 3, 7, 4, 6, 7 and the mode of 2, 9, 3, 4, 9, 6, 9 is
Median of [2, 3, 4, 6, 7, 7, 8] is 6
Mode of [2, 9, 3, 4, 9, 6, 9] is 9
Average
The median of the following incomplete frequency distribution is 4. The frequency of 8 is
As median is 4 so its CF = 10
The mode of a frequency distribution can be determined graphically from
Histogram
The mode of a continous series is
For a certain moderately skew distribution if mean is 24.6, median = 26.1 then its mode is
Mode = 3 median – 2 mean
Histogram is useful to determine graphically the value of
Mean
In an examination, 10 students scored the following marks 35, 19, 28, 32, 63, 02, 47, 31, 13, 98. Its range is
Range
Find the mean of \( x, x+8, x+11, x+1\)
Mean
Find the average of first 40 natural number
Sum
Average
The average of 11 result is 60. If average of first 6 result is 58 and that of last 6 is 63. Find the sixth result.
A batsman makes a score of \(87 \) runs in \(\mathrm{17^{th}} \) inning and thus increases his average by 9. Find his average after \(\mathrm{17^{th}} \) inning.
Let the average of is
Sum of innning
So average of inning
Three years ago average age of A, B was with C joining then, the average age becomes 22 years. How old is C
Average age of
Average age of
C’S age
Find the median of given data
Median class
Median
Histogram is a
Two dimensional figure
Which of the following central tendency cannot be find with any of the graph.
Mean
By the cumulative frequency curve which of the central tendency can be find
Median