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Home Q & A Board Science-Related Homework Help Psychology
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Rudolf Rudolf
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6 years ago
In a set of survey results, the mean is 15 and the standard deviation is 3. With these numbers we know that 99% of the scores are between ________.
a. 6 and 24
b. 12 and 18
c. 0 and 30
d. 9 and 21
Textbook 
Understanding Psychology

Understanding Psychology


Edition: 11th
Authors:
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LeeGoldsmithLeeGoldsmith
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6 years ago
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Rudolf Author
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#2
5 years ago
Thank you so much for this answer
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