You will be asked to determine the correct critical val

You will be asked to determine the correct critical value(s) in each of the following situations. You may assume data sets are normally distributed. A two-tailed test with ? = 0.10 a known value of ?.
A left-tailed test with ? = 0.10 unknown ? and a sample of size 23.You will be asked to determine the correct critical value(s) in each of the following situations. You may assume data sets are normally distributed. A two-tailed test with ? = 0.10 a known value of ?.
A left-tailed test with ? = 0.10 unknown ? and a sample of size 23.