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प्रश्न
Find the mean of: 7, 10, 4 and 17
उत्तर
7, 10, 4 and 17
Required mean = `"Sum of data values"/"No. of data values"`
`= (7 + 10 + 4 + 17)/4`
`= 3.8/4`
= 9.5
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