Statisticians usually apply graphical techniques as a first step ...

[cherise1989]

Statisticians usually apply graphical techniques as a first step in analyzing data because we first need to know the ___________________ _ of the distribution.
 Fill in the blank(s) with correct word

Question 2

Scatter diagrams, covariance, and the coefficient of correlation are useful techniques for detecting relationships between two ___________________ _ variables.
 Fill in the blank(s) with correct word

[TheNamesImani]

Answer to Question 1

shape

Answer to Question 2

interval