Advertisements
Advertisements
प्रश्न
Find the range and coefficient of range of the following data
63, 89, 98, 125, 79, 108, 117, 68
उत्तर
Here the largest value (L) = 125
The smallest value (S) = 63
Range = L – S = 125 – 63 = 62
Coefficient of range = `("L" - "S")/("L" + "S")`
= `(125 - 63)/(125 + 63)`
= `62/188`
= 0.33
APPEARS IN
संबंधित प्रश्न
Find the variance and standard deviation of the wages of 9 workers given below:
₹ 310, ₹ 290, ₹ 320, ₹ 280, ₹ 300, ₹ 290, ₹ 320, ₹ 310, ₹ 280
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.
If the standard deviation of a data is 4.5 and if each value of the data is decreased by 5, then find the new standard deviation
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?
Variance of first 20 natural numbers is
The mean of the following frequency distribution is 62.8 and the sum of all frequencies is 50. Compute the missing frequencies f1 and f2.
Class Interval | 0 − 20 | 20 − 40 | 40 − 60 | 60 − 80 | 80 − 100 | 100 − 120 |
Frequency | 5 | f1 | 10 | f2 | 7 | 8 |
The standard deviation of some temperature data in degree Celsius (°C) is 5. If the data were converted into degree Fahrenheit (°F) then what is the variance?
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