Assessing data quality is an early analytic task. A value is ...

[frankwu]

Assessing data quality is an early analytic task. A value is considered an extreme outlier when if it is how many times greater than the interquartile range above the third quartile?
 
  A) 1
  B) 2
  C) 3
  D) 4

Question 2

If there is no constancy of conditions in a study, history becomes a potential threat to its internal validity.
 
  A) True
  B) False

[scottmt]

Answer to Question 1

C

Answer to Question 2

A

[frankwu]

TYSM

[parshano]

Thanks for the timely response, appreciate it