Question

for the data 1, 5,7 x+1, 9,x-2, 3, if mean is 4, find the value of x. Also find the mode of the data.​

Answer 1

Answer:

x = 2 ; Mode = 3

Step-by-step explanation:

Mean = sum of the given data/ number of given digits

4 = $\Large{\frac{2x+24}{7}}$

28 = 2x + 24

28 - 24 = 2x

x = $\Large{\frac{4}{2}}$

$\large{\boxed{x=2}}$

Now, substitute the x value

x + 1 = 2 + 1 = 3

x - 2 = 2 - 2 = 0

As, 3 is repeating more no. of times so Mode is 3.

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