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Verizon [17]
3 years ago
10

the number off standard deviations between a score and the mean score indicated by a z-score. what was Cindy's z-score on the sc

ience test
Mathematics
1 answer:
aalyn [17]3 years ago
5 0
Z score of 0 gives you the mean for the problem;  The mean μ is 70 Now you can use this value of the mean in the definition of z score for the second case and find the standard deviation. Z score is the number of standard deviations away from the mean.  Therefore σ = (1)(74-70) = 4.
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