Mathematics, 19.02.2021 19:00 lilyclairehutson
A teacher's first period class takes a math test and obtains a mean of 83 with a standard deviation of 5.6. The teacher's second period class takes the same test and obtains a mean of 74 with a standard deviation of 3.5. Considering a 90% confidence level, do the classes have significantly different means?
Answers: 1
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A teacher's first period class takes a math test and obtains a mean of 83 with a standard deviation...
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