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Sagot :
Answer:
A.)
Mean, μ of sampling distribution = 21 pounds per square inch
Standard deviation of sampling distribution, s =
Step-by-step explanation:
Since the distribution is normal ;
Mean of sampling distribution = μ = 21 pounds per square inch
Standard deviation of sampling distribution, s = σ/sqrt(n)
σ = 2, n = 10
2 / sqrt(10)
2 / 3.1622776
= 0.632
B.) shape of distribution for n = 10 will be approximately normal.
C.)
{-7.22870249054, 40.8079452872, -10.91517422664,22.86455836927,32.94723256068,-5.93493872489,-6.11103290664,-5.04925181642,-27.62798560898,9.77607593874)
Mean = 4.35 ; Standard deviation = 21.6
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