The correlation between the odd and even numbered items for a ...

[RODY.ELKHALIL]

The correlation between the odd and even numbered items for a given test
  underestimates the test's reliability unless corrected for by a technique such
  as the Spearman-Brown prophecy formula.
 
  Indicate whether the statement is true or false

Question 2

The true parameter mean may be predicted by using
 
  a. either hypothesis testing or known variance values
  b. either hypothesis testing or interval estimation
  c. either interval estimation or its opposite, confidence intervals
  d. none of these

[zoeyesther]

Answer to Question 1

T

Answer to Question 2

b