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Uses of Range
a.Range is suitable measure of dispersion when the data are too scattered to justify the computation of a more precise measure of dispersion.
b.In recent years range has got a special application in the quality control techniques. There are two reason for this .
1.It is easy to calculate and simple to understand.
2.Range is rather good basis for estimating the standard deviation if the sample is small and the population is through to be nearly normal.
c. It is very useful measure to study fluctuation of data. For example variation in weather forecasts movements in the prices of shares etc.
Telephone calls arrive at a switchboard in a Poisson process at the rate of 2 per minute. A random one-tenth of the calls are long distance. (a) What is the probability of at least
Uses of Range a.Range is suitable measure of dispersion when the data are too scattered to justify the computation of a more precise measure of dispersion. b.In rece
Ask questb. A Company produces 150 cars. But the production rate varies with the distribution. Production Rate 147 148 149 150 151 152 153 Probability 0.05 0.10 0.15 0.20 0.30 0.15
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if one no. is repeated 2-3 times in machine-1 and machine-2 what is to be prefer first
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2.Assess the current environmental scan factors that are relevant to the decision making process. Determine the factors that will have the greatest impact on plant operations and m
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