Question
My answer was 26220.5 was that correct?
For the Data Set below, calculate the Variance to the nearest hundredth decimal place. (Do not use a coma in your answer) 175 349 234 512 638 549 500 611
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Answer #1

Following table shows the calculations:

(X-mean)A2 175 73373.26563 349 9384.765625 234 44891.01563 512 4372.515625 638 36912.01563 548 10429.51563 500 2929.515625 611 27266.26563 3567 209558.875 Total

Sample size: n=8

Sample mean:

2 350 445.875

Sample variance:

s2 =Σ(z-T)2 209558.875 7 29936.98214~ 29936.98 rl

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