A die is rolled 12 times and the number of twos that come up is ...

[P68T]

A die is rolled 12 times and the number of twos that come up is tallied. If this experiment is repeated many times, find the standard deviation for the number of twos.
 
  A) 1.236 B) 1.73 C) 1.296 D) 1.291

Question 2

To find the value of Tcrit, you must know .
 
  a. nA 1 and nA 2
  b. the degrees of freedom for Tobs
  c. the number of levels of the independent variable
  d. Npairs on which T is based

[JaynaD87]

Answer to Question 1

D

Answer to Question 2

D

[P68T]

Thanks for the timely response, appreciate it

[duy1981999]

Excellent