When a distribution is light-tailed, it is A) flatter than a ...

[michelleunicorn]

When a distribution is light-tailed, it is
 
  A) flatter than a normal curve.
  B) skewed to the right.
  C) skewed to the left.
  D) more peaked than a normal curve.

Question 2

How did the researchers indicate that the behaviors were actually novel, and not simply due to the expectations of the experimenters?
 
  A) they used a control group
  B) they used a variety of porpoises who emitted similar behaviors
  C) they made sketches of the normal behaviors
  D) they used judges and then assessed interobserver reliability

[tdewitt]

Answer to Question 1

A

Answer to Question 2

D

[michelleunicorn]

Thanks for the timely response, appreciate it

[mcabuhat]

Excellent