Variance = summation of (x - mean)^2 all divided by the number of dataset.
mean = (17 + 5 + 11 + 1 + 11)/5 = 9
Variance = [(17 - 9)^2 + (5 - 9)^2 + (11 - 9)^2 + (1 - 9)^2 + (11 - 9)^2]/5 = (8^2 + (-4)^2 + 2^2 + (-8)^2 + 2^2}/5 = (64 + 16 + 4 + 64 + 4)/5 = 152/5 = 30.4
156 inches are in 13 feet
Answer:
1 out of every 3 races could be won by Rachelle
Step-by-step explanation:
Seven hundred and and eighty thousand
<span>52√+23√ = 4.79
Approx 5.1 is the answer.
Hope that helps. -UF aka Nadia
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