In Testing the Hypotheses: H0: ? = 35
HA $\bar { X }$

Multiple Choice

In testing the hypotheses: H0: ? = 35
HA: ? < 35,
The following information is known: n = 49, $\bar { X }$ = 37 and $\sigma$ = 6. The standardised test statistic equals:

A) 0.33.
B) -0.33.
C) -2.33.
D) 2.33.