What's the temperature? The temperature in a certain location was recorded each day for two months. The mean temperature was
52.1°
F with a standard deviation
2.5°
F. What can you determine about these data by using Chebyshev's Inequality with
=K2
?
At least
% of the days had temperatures between°F and°F |
The temperature in a certain location was recorded each day for two months. The mean temperature was 52.1°F with a standard deviation = 2.5° F.
Now according to Chebyshev's Inequality the proportion of data that lie between K standard deviation is calculated as:
=> 1- 1/K2
Now if K = 2 the the percentage is calculated as:
=> (1- 1/22 )* 100 = 75%
and the values within which the 75% of value lies is calculated by K formula as:
and
Thus At least 75% of the days had temperatures between 47.1 °F and 57.1 °F.
Note: Feel free to ask if any query remains
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