For a population with µ = 80 and σ = 6,what is the z-score corresponding to X = 68?
A)-0.50
B)-2.00
C)+2.00
D)-12.00

Name: For a population with µ = 80 and σ = 6,what is the z-score corresponding to X = 68? A)-0.50 B)-2.00 C)+2.00 D)-12.00
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Question

For a population with µ = 80 and σ = 6,what is the z-score corresponding to X = 68?​
A)-0.50​
B)​-2.00
C)​+2.00
D)​-12.00

Quizplus · Accepted Answer

The formula for calculating z-score is given by:

z = (X - µ) / σ

Substituting the given values:

z = (68 - 80) / 6 = -2

Therefore, the z-score corresponding to X = 68 is -2. The best choice is option B, which represents -2.00.

For a Population with µ = 80 and σ =