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प्रश्न
If different values of variable x are 19.8, 15.4, 13.7, 11.71, 11.8, 12.6, 12.8, 18.6, 20.5 and 2.1, find the mean.
उत्तर
19.8 +15.4 +13.7 +11.71 +11.8 +12.6 + 12.8 +18.6 + 20.5 + 21.1
∴ Mean = `(19.8+15.4+13.7+11.71+11.8+12.6+12.8+18.6+20.5+21.1)/10`
= `158.01/10`
= 15.801
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