Critical value for t and determine null-alternate hypothesis

Reference no: EM1321545

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

Reference no: EM1321545

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