Find the critical value for t and determine the null and alternate hypothesis.
1. What is the critical t-value for a right-tailed test when a = .025and d.f. = 12?
a.0.695
b.2.179
c.2.831
d.2.201
2. Are the following statements a valid pair of null and alternative hypothesis?
H0 : μ ³ 17 Ha : μ £ 17
1.No, these statements both compare a parameter to a value
2.No, there are no parameters contained in these statements
3.No, the alternative hypothesis cannot contain numeric values
4.No, these statements have overlapping regions