Question

Find the missing frequency p for the following distribution whose mean is 28.25​

Answer 1

Mean = ∑fixi∑xi

⇒28.25 = 1445+25p50+p⇒28.2550+p = 1445+25p⇒1412.5 + 28.25p = 1445+25p⇒3.25 p = 32.5⇒ p =10

Explanation:

Answer 2

Answer:

p=10

Explanation:

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