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Mathematics, 17.03.2021 23:40 natalie2sheffield
PLATO! Select ALL the correct answers.
Select all the studies in which the results may have been skewed by bias. For each study, assume a normal distribution.
A. a study with a significantly smaller than expected standard deviation about the sample mean.
B. a study on cooking times at high altitudes, with 90% of the data falling above the population mean.
C. a study on the average length of hiking trails in all state parks, with 50% of the data falling below
the population mean.
D. a study of employee satisfaction, with 25% of the data having a z-score greater than 1.
E. a study of employees' annual number of vacation days, with a large standard deviation about the
mean.
F. a study on crosswalk wait times with 95% of the data falling within 1 standard deviation of the
population mean.
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PLATO! Select ALL the correct answers.
Select all the studies in which the results may have been sk...
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