A distribution that is skewed with a tail to the left is which of the following?

• A.Negatively skewed
• B.Normal
• C.Positively skewed
• D.Symmetric

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What type of regression model does the following equation suggest? y = a + b1x1

• A.Curvilinear regression
• B.Multiple factor regression
• C.Bivariate regression
• D.Nonlinear regression

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Which of the following should be used to determine the amount of interest earned on money over a specified period of time?

• A.Percent difference
• B.Compa-ratio
• C.Percent adjustment
• D.Compound interest

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What is interpolation?

• A.A statistical representation of standard deviation
• B.An exact value representing a remainder
• C.A value that a given percent of the data is less than
• D.A whole number that represents the sum of a data set

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What is the mode for the following set of numbers?
15, 18, 13, 19, 25, 24, 26, 14, 25, 35, 12, 99, 54, 13, 22, 19, 13

• A.26
• B.19
• C.13
• D.24

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