Reference no: EM131840939
A student receives the following? grades, with an A worth 4? points, a B worth 3? points, a C worth 2? points, and a D worth 1 point. What is the? student's weighted mean grade point? score?
B in 3-three?-credit classes
D in 1 three?-credit class
A in 1 two?-credit class
C in 1 two?-credit class
Mean grade point score is _____
Sample annual salaries? (in thousands of? dollars) for employees at a company are listed.
41 46 54 55 37 37 41 46 54 35 55 41 52
?(a) Find the sample mean and sample standard deviation.
?(b) Each employee in the sample is given a 66?% raise. Find the sample mean and sample standard deviation for the revised data set.
?(c) To calculate the monthly? salary, divide each original salary by 12. Find the sample mean and sample standard deviation for the revised data set.
?(d) What can you conclude from the results of? (a), (b), and? (c)?
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