A perfect correlation between two variables will always produce a correlation coefficient of +1.0. ...

A perfect correlation between two variables will always produce a correlation coefficient of +1.0.
  Indicate whether the statement is true or false

Q. 2

The chi-square distribution is skewed to the right.
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Q. 3

If two variables have a correlation coefficient equal to 0.005, this means that there is no relationship between the two variables.
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Q. 4

For the chi-square distribution, the mean equals the mode.
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Q. 5

If the correlation coefficient between the independent variable x and the dependent variable y is 0.87, then the best fitting line would have a slope equal to 0.87.
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Q. 6

How many values are needed to identify a single critical value of the F-distribution?
 a. 5
  b. 4
  c. 3
  d. 2

Q. 7

If the linear relationship between the dependent and independent variables is positive, the scatterplot will show the data points on the (x, y) plane generally moving from the lower left corner to the upper right corner.
  Indicate whether the statement is true or false

Q. 8

Which of the following is not needed for calculating the critical values for the F-distribution?
 a. The degrees of freedom associated with the sample whose variance is in the numerator of the calculated F.
  b. The degrees of freedom associated with the sample whose variance is in the denominator of the calculated F.
  c. The values of the two samples variances.
  d. The area under the distribution curve to the right of the critical value being sought.