Question

The mean of 7 cm, 15 cm, 12 cm, h cm and 13 cm is 10 cm. Find the value of h

Answer 1

Answer:

$\huge\underline\bold\color{red}\mathfrak{Answer:-}$

Value of H = 3cm

Step-by-step explanation:

Sum of the following observations=> 7cm+15cm+12cm+HCM+13cm

Number of observations=>5

Mean = 10cm

So According to the question,

→$</strong><strong>\</strong><strong>l</strong><strong>a</strong><strong>r</strong><strong>g</strong><strong>e</strong><strong>\frac</strong><strong>{</strong><strong>7cm + 15cm + 12cm + hcm + 13cm}{5} = 10cm$

→$\large\frac{47cm+hcm}{5}=10cm\\→47cm+hcm=5×10cm\\→hcm=5×10cm-47cm\\→hcm=50cm-47cm=3cm.\\→hcm=3cm$

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Answer 2

Answer:

5

Step-by-step explanation:

12+7+15+h+13÷5=10cm