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CBSE Class 9 Answered

The following observations have been arranged in ascending order: 29, 32, 48, 58, x, x + 2, 64, 78, 84, 90. If median of the data is 63, find the mode of the data.
Asked by Topperlearning User | 07 Nov, 2017, 01:35: PM
answered-by-expert Expert Answer

29, 32, 48, 58, x, x + 2, 64, 78, 84, 90.

begin mathsize 12px style fraction numerator straight x plus straight x plus 2 over denominator 2 end fraction equals 63 end style

126 = 2x + 2

2x = 124

x = 62

observations are

29, 32, 48, 58, 62, 64, 64, 78, 84 90

As highest frequency = 2(Since 64 occurs 2 times)

Mode = 64

Answered by | 07 Nov, 2017, 03:35: PM

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