Which of the following is not a reason to prefer a nonparametric ...

[schs14]

Which of the following is not a reason to prefer a nonparametric test to a parametric test?
 
  A) Nonparametric tests can be used for ordinal data.
  B) Nonparametric tests are computationally more straightforward.
  C) Nonparametric tests are less influenced by outliers.
  D) Nonparametric tests are more powerful under conditions of normality.

Question 2

A consumer goods company has been studying the effect of advertising on total profits.
 
  As part of this study, data on advertising expenditures (1000s) and total sales (1000s) were collected for a five-month period and are as follows: (15, 150), (22.5, 300), (10.5, 120), (18, 180), and (21, 225), where the first number is advertising expenditures and the second is total sales. Graphically display the data, and state an appropriate conclusion from the graph.

[joewallace]

Answer to Question 1

D

Answer to Question 2

Clearly there is a positive relationship between advertising expenditures and total sales.

[schs14]

TYSM

[komodo7]

Excellent