Σfx = 6Y - 4, Σf = 8. If the mean of the distribution is 7, what is the value of Y?

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
10

$Σ f x = 6 Y - 4$
$7 \times 8 = 6 Y - 4$
$56 = 6 Y - 4$
$6 Y = 56 + 4$
$6 Y = 60$
$Y = 10$

Suggest Corrections

Similar questions

$\sum f_{i} x_{i} = 6 Y - 4$ and $\sum f_{i} = 8$ . If the mean of the distribution is 7, what is the value of Y?

If 24, x, 26 form a Pythagorean triplet with 26 being the largest number. The value of x is

I_{n} = \int_{0}^{\infty} e^{- x} (s i n x)^{n} d x; (n > 1)

\frac{101 I_{10}}{10 I_{8}}

f (x) = min {| sin x |, | cos x |, \frac{1}{4}}

(0, 2 π)

Join BYJU'S Learning Program