Advertisements
Advertisements
प्रश्न
Find the range and coefficient of range of the following data
43.5, 13.6, 18.9, 38.4, 61.4, 29.8
उत्तर
The largest value (L) = 61.4
The smallest value (S) = 13.6
Range = L − S
= 61.4 − 13.6
= 47.8
Coefficient of range = `("L" - "S")/("L" + "S")`
= `(61.4 - 13.6)/(61.4 + 13.6)`
= `47.8/75`
= 0.64
APPEARS IN
संबंधित प्रश्न
Find the range and coefficient of range of the following data
63, 89, 98, 125, 79, 108, 117, 68
If the range and the smallest value of a set of data are 36.8 and 13.4 respectively, then find the largest value
A wall clock strikes the bell once at 1 o’clock, 2 times at 2 o’clock, 3 times at 3 o’clock and so on. How many times will it strike in a particular day? Find the standard deviation of the number of strikes the bell make a day.
Find the standard deviation of the first 21 natural numbers.
In a study about viral fever, the number of people affected in a town were noted as Find its standard deviation
| Age in years | 0−10 | 10−20 | 20−30 | 30−40 | 40−50 | 50−60 | 60−70 |
| Number of people affected | 3 | 5 | 16 | 18 | 12 | 7 | 4 |
The measurements of the diameters (in cms) of the plates prepared in a factory are given below. Find the standard deviation
| Diameter (cm) | 21 − 24 | 25 − 28 | 29 − 32 | 33 − 36 | 37 − 40 | 41 − 44 |
| Number of plates | 15 | 18 | 20 | 16 | 8 | 7 |
Which of the following is not a measure of dispersion?
If the standard deviation of x, y, z is p then the standard deviation of 3x + 5, 3y + 5, 3z + 5 is
The diameter of circles (in mm) drawn in the design are given below.
| Diameters | 33 − 36 | 37 − 40 | 41 − 44 | 45 − 48 | 49 − 52 |
| Number of circles | 15 | 17 | 21 | 22 | 25 |
Calculate the standard deviation.
If the range and coefficient of range of the data are 20 and 0.2 respectively, then find the largest and smallest values of the data
