A good standard range of the Y-axis on a line graph should be ...

[arivle123]

A good standard range of the Y-axis on a line graph should be 0100 with a scale of
 
  a. 10.
  b. 20.
  c. 30.
  d. 40.

Question 2

Visual displays of survey data are useful because they more effectively
 
  a. engage the reader.
  b. illustrate the margin of error.
  c. illustrate differences or changes over time than tables and numbers.
  d. cover negative opinion data.

[AmberC1996]

Answer to Question 1

a

Answer to Question 2

c

[arivle123]

Wow, this really help

[Hdosisshsbshs]

Thanks for the timely response, appreciate it