To test H0: = 80 versus H1: < 80. a simple random sample of size n = 22 is obtained from a population that is known to be normally distributed.
a) If ¯x = 76.9 and s = 8.5, compute the test statistic.
1 answer
1.711
a) If ¯x = 76.9 and s = 8.5, compute the test statistic.
1 answer