Essentials of Statistics for the B...
Solutions
Essentials of Statistics for the B...
A distribution of English exam scores has μ = 70 and σ = 4. A distribution of history exam scores has μ = 60 and σ = 20. For which exam would a score of X = 78 have a higher standing? Explain your answer.
To Find: Which exam would a score of
Given Info:
The English exam scores has mean of
The distribution of history exam has a mean of
The X-score is 78.
Calculation:
Use the formula of z-score to transform the original raw scores into z-scores as follows:
For English Exam:
Substitute the value 78 for X, 70 for
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