As you add irrelevant independent variables to a regression model, the coefficient of determination ...

As you add irrelevant independent variables to a regression model, the coefficient of determination R2 will increase.
 
  Indicate whether the statement is true or false

Q. 2

For the sample data shown below, compute the five-number summary, and sketch out the Box-and-Whisker plot.
 
  34 76 29 59 71 43 24 92 82 79
  49 62 34 92 87 23 64 37 54 27

Q. 3

The test on all parameters of a regression model has the following null and alternative hypotheses: H0 : 1 = 2 = 3 =       = k = 0 and H1 : 1  2  3         k  0.
 
  Indicate whether the statement is true or false

Q. 4

If the random variables X and Y are statistically independent, then their joint cumulative distribution function can be represented as the product of the marginal cumulative distribution functions of X and Y.
 
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Q. 5

What is the approximate value of F?
 
  A) 0.025
  B) 0.05
  C) 0.10
  D) 0.01