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Compute the Z-scores for the second observation of the following data values: X: 462 490 350 294 574
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19 votes
19 votes
Compute the Z-scores for the second observation of the following data values: X: 462 490 350 294 574

User Pred
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1 Answer

16 votes
16 votes

Answer:

0.5

Step-by-step explanation:

Zscore = (x - mean) / standard deviation

Given the data:

X : 462 490 350 294 574

The second observation = 490

The mean and standard deviation of the data could be obtained using a calculator :

Mean = 434

standard deviation = 112

ZSCORE = (490 - 434) / 112

ZSCORE = 56 / 112

ZSCORE = 0.5

User Niry
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