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# Regression, Range

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1) What measurements assesses the amount of variance of change in the dependent variable reflected by changes in the independent variable?
a) Coefficient of determination ( R- squared),
b) Coefficient of least squares,
c) Coefficient of alienation,
d) correlation coefficient (r).

2) The range of a sample of 10 values is 5 and the largest observation is 50. The lowest value is:
a) 40
b) 45,
c) 55,
d) cannot be computed from the data given.

##### Solution Summary

The solution answers two questions on regression and range.

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1) What measurements assesses the amount of variance of change in the dependent variable reflected by changes in the independent variable?
a) Coefficient of determination ( R- squared),
b) Coefficient of least squares,
c) Coefficient of alienation, ...

##### Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.