MAT 144 EXAM QUESTIONS WITH VERIFIED ANSWERS
100% Correct 52
Incorrect 0
1 of 52
Definition
An equality of two ratios. Setting two ratios equal to each other is
called setting up a proportion, and solving by multiplying
denominators and numerators on opposite sides of the equal sign is
cross multiplying.
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Output Rate
Range Proportion
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2 of 52
,Definition
A ratio that compares one part of a whole to the total, such as tuition
and fees to the total cost of going to college.
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Part-to-whole ratio Equivalent ratio
Unit ratio Three-term ratio
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3 of 52
Definition
The ratio of the total interest charged for the year to the original
principal, or the effective interest rate charged.
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daily deposit yield (ddy) daily average return (dar)
none of these annual percentage yield (APY)
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4 of 52
Definition
The arithmetic average of a data set
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Median Mean
Deviation Mode
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5 of 52
Definition
Given n numbers, a sub 1, a sub2, and sub N, the average
obtained by adding them and dividing by n,
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, Weighted Average Harmonic mean
Geometric mean Arithmetic mean
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6 of 52
Definition
Inputs that are independently chosen; an independent variable is
typically represented with the letter x.
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Independent variable Extraneous variable
Residual variable Control variable
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100% Correct 52
Incorrect 0
1 of 52
Definition
An equality of two ratios. Setting two ratios equal to each other is
called setting up a proportion, and solving by multiplying
denominators and numerators on opposite sides of the equal sign is
cross multiplying.
Give this one a go later!
Output Rate
Range Proportion
Don't know?
2 of 52
,Definition
A ratio that compares one part of a whole to the total, such as tuition
and fees to the total cost of going to college.
Give this one a go later!
Part-to-whole ratio Equivalent ratio
Unit ratio Three-term ratio
Don't know?
3 of 52
Definition
The ratio of the total interest charged for the year to the original
principal, or the effective interest rate charged.
Give this one a go later!
daily deposit yield (ddy) daily average return (dar)
none of these annual percentage yield (APY)
, Don't know?
4 of 52
Definition
The arithmetic average of a data set
Give this one a go later!
Median Mean
Deviation Mode
Don't know?
5 of 52
Definition
Given n numbers, a sub 1, a sub2, and sub N, the average
obtained by adding them and dividing by n,
Give this one a go later!
, Weighted Average Harmonic mean
Geometric mean Arithmetic mean
Don't know?
6 of 52
Definition
Inputs that are independently chosen; an independent variable is
typically represented with the letter x.
Give this one a go later!
Independent variable Extraneous variable
Residual variable Control variable
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