As one does more and more separate hypothesis tests, the risk of ...

[stock]

As one does more and more separate hypothesis tests, the risk of a Type I error accumulates and is called the experiment-wise alpha level.
 
  Indicate whether the statement is true or false

Question 2

After a researcher adds 5 points to every score in a sample, the standard deviation is found to be s = 10. The original sample had a standard deviation of s = 5.
 
  Indicate whether the statement is true or false

[Ahnyah]

Answer to Question 1

True

Answer to Question 2

False

[stock]

Excellent

[sultana.d]

Thanks for the timely response, appreciate it