Advertisements
Advertisements
प्रश्न
If the mean of 9, 8, 10, x, 14 is 11, find the value of x.
बेरीज
Advertisements
उत्तर
Given data is 9, 8, 10, x, 14.
Mean = 11
We know, Mean `(barX) = "Sum of observations"/"Total number of observations"`
⇒ 11 = `(9 + 8 + 10 + x + 14)/5`
⇒ 11 = `(41 + x)/5`
⇒ 41 + x = 11 × 5
⇒ 41 + x = 55
⇒ x = 55 – 41
⇒ x = 14
As a result, the value of x is 14.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
