The two most important characteristics revealed by the scatter ...

[luvbio]

The two most important characteristics revealed by the scatter diagram are the strength and direction of the linear relationship.
  Indicate whether the statement is true or false

Question 2

The general practice in quality control is to set the control chart's upper and lower control limit values equal to the variable's mean value +/ _____.
 a. 1 standard deviation
  b. 2 standard deviations
  c. 2.5 standard deviations
  d. 3 standard deviations

[joewallace]

Answer to Question 1

T

Answer to Question 2

d