Assume the data set is approximately normally distributed (bell shaped). List the percentage associated with each event. A data value falls outside +/-3 standard deviations from the mean.
What will be an ideal response?
100% - 99.7% = 0.3%
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Which is the correct interpretation of the role of childhood activity on subsequent adult activity?
A. There is no correlation between childhood and subsequent adult activity levels. B. There is a direct correlation between childhood and subsequent adult activity levels. C. There is an inverse correlation between childhood and subsequent adult activity levels D. The relationship between childhood and subsequent adult activity levels has not been studied.
Young people smoke to
a. appear mature c. cope with stress b. display independence d. all of the above
An example of a nonpoint source water pollutant is
A) outflow from a sewage treatment plant. B) pesticide runoff from a farm. C) waste from a mulching operation. D) industrial waste from a chemical plant.
The better the sensitivity, the fewer the false positives
Indicate whether the statement is true or false