1. To test H0:=4.3 versus HA:=4.3, a random sample of size n=12 is obtained from a population
that is known to be normally distributed. If the sample standard deviation is determined to be
s=4.8, compute the test statistic. 13.707 17.307 17.703 13.077 17.370 Question 17 5pts Refer to
question 16. If the researcher decides to test this hypothesis at the =0.05 level of significance,
determine the critical values. (A) 3.816 (B) 21.920 (C) 19.675 (D) 23.337 (E) None of above
To test H0:=0.75 versus HA:<0.75, a random sample of size n=11 is obtained from a population
that is known to be normally distributed. If the sample standard deviation is determined to be
s=0.6404, compute the test statistic. 7.129 9.712 2.791 9.217 7.291 Question 19 5 pts Refer to
question 18 . If the researcher decides to test this hypothesis at the a=0.05 level of significance,
determine the critical value. 3.247 3.940 2.156 18.307 20.483