In testing H0 23 versus HA 23 when 26 s 6 and n 20 wh

In testing H₀: ? = 23; versus H_A: ? > 23, when   = 26, s = 6, and n = 20, what is the value of the test statistic?

2.05

2.14

2.24

2.02

Solution

test statistic is

t=(xbar-mu)/(s/vn)

=(26-23)/(6/sqrt(20))

=2.24

Answer: c .2.24