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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
a. No, these statements both compare a parameter to a value b. No, there are no parameters contained in these statements c. No, the alternative hypothesis cannot contain numeric values d. No, these statements have overlapping regions
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