06/27/19
Statistics class
A clinical trial tests a method designed to increase the probability of conceiving a girl. In the study 380 babies were born, and 323 of them were girls. Use the sample data to construct a 99%...
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Mean and Percentage
5 million students appeared in an exam.The total marks of the exam were 9.0.Mean score of male candidates: 5.55/9.0Mean score of female candidates: 5.66/9.0How many students or what percentage of...
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05/03/19
A baseball player has a batting average of 0.332. Would it be unusual if he hits 22 of his next 90 at bats?
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03/16/19
How to interpret standard deviation of samples with different means?
Let be two samples collections A and B. Mean of the first is 5 and the second is 15. Standard deviation of the first is 2 and the second is 5.
Can we conclude something even though the two...
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03/15/19
What is the difference between cash accounting vs accrual accounting? Use an example for each.
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