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The Mean of 15 Observations is 32. Find the Resulting Mean, If the Observation is : Increased by 60% - Mathematics

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Sum

The mean of 15 observations is 32. Find the resulting mean, if the observation is: Increased by 60%

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Solution

Given that the mean of 15 observations is 32

resulting mean increased by 60%

= 32 + `( 60) / ( 100 ) xx 32`

= 32 + 19.2

=  51.2

Concept: Properties of Mean
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APPEARS IN

Selina Concise Mathematics Class 9 ICSE
Chapter 19 Mean and Median (For Ungrouped Data Only)
Exercise 19 (A) | Q 7.5 | Page 239
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