Question

plz give the correct answer its urgent​

Answer 1

Answer:

Hey mate! Here's your answer:

Step-by-step explanation:

Sigma fi = 5 + 10 + 7 + 8 + 2 = 32.

Sigma xifi = 50 + 150 + 7P + 200 + 60.

7P + 460 = 18.75 * 32

7P + 460 = 600

7P = 140

P = 20.

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Answer 2

Step-by-step explanation:

Mean = Sigma fx/ Sigma f

18.75= 10*5 + 15*10 + p*7 + 25*8 + 30*2/5+10+7+8+2

18.75= 50 + 150 + 7p + 200 + 60/32

18.75= 460 + 7p/32

18.75*32= 460 + 7p

600 = 460 -7p

600 - 460 = 7p

7p=140

p=20