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Question

The difference between the highest and lowest values of the observations is called:

A

Frequency

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B

Range

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C

Mean

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D

Class-intervals

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Solution

The correct option is B RangeExplanation for correct option:(b) RangeThe difference between the highest and lowest values of the observations is called range. It is given by $Range=Highestvalue-Lowestvalue$.Explanation for Incorrect option:(a) FrequencyThe number of times a repeated event occurred as per the unit of time is known as frequency.(c) MeanThe mean is the sum and average of the given terms. It is given by $Mean=\frac{Sumoftheterms}{Totalnumberofterms}$(d) The class-intervalsThe class interval is defined as the difference between the upper and lower class limit. It is given by $ClassInterval=upperlimit-lowerlimit$.Therefore, option (b) range is the right answer.

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