Advertisements
Advertisements
प्रश्न
The median of the data 24, 29, 34, 38, 35 and 30, is ___________
पर्याय
29
30
34
32
उत्तर
32
Explanation;
Hint: 24, 29, 30, 34, 35, 38
Median = `(30 + 34)/2`
= `64/2`
= 32
APPEARS IN
संबंधित प्रश्न
Calculate the mean of the following distribution :
Class Interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
Frequency | 8 | 5 | 12 | 35 | 24 | 16 |
If 69.5 is the mean of 72, 70, ‘x’, 62, 50, 71, 90, 64, 58 and 82, find the value of ‘x’.
Attempt this question on graph paper.
Age (yrs ) | 5-15 | 15-25 | 25-35 | 35-45 | 45-55 | 55-65 | 65-75 |
No.of casualties | 6 | 10 | 15 | 13 | 24 | 8 | 7 |
(1) Construct the 'less than' Cumulative frequency curve for the above data. using 2 cm =10 years on one axis and 2 cm =10 casualties on the other.
(2)From your graph determine :
(a)the median
(b)the lower quartile
The following table shows the frequency distribution of heights of 51 boys:
Height (cm) | 120 | 121 | 122 | 123 | 124 |
Frequency | 5 | 8 | 18 | 10 | 9 |
Find the mode of heights.
Draw a histogram and hence estimate the mode for the following frequency distribution:
Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
Freq | 2 | 8 | 10 | 5 | 4 | 3 |
What is the median of 7, 10, 7, 5, 9, 10?
Find the median of:
63, 17, 50, 9, 25, 43, 21, 50, 14 and 34
The following observations have been arranged in ascending order. If the median of these observations is 58, find the value of x.
24, 27, 43, 48, x - 1, x + 3, 68, 73, 80, 90
The mean of a certain number of observations is 32. Find the resulting mean, if the observation is decreased by 20%.
If the mean of x, x + 2, x + 4, x + 6 and x + 8 is 13, find the value of x. Sum of data.