someone please help me fast
its urgent
please answer with explanation..
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Answer:
P = 1
Step-by-step explanation:
Mean = Sum of Observations / Number of Observations
20 = 15 × 2 + 17 × 3 + 19 × 4 + 5P × (P + 20) + 23 × 6 / 2 + 3 + 4 + 5P + 6
20 = 295 + 5P^2 + 100 P / 5P + 15
20 = 59 + P^2 + 20P / P + 3
20P + 60 = 59 + P^2 + 20P,
60 - 59 = P^2
P = 1
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