A two-sided t-test at alpha = 0.05 with df = 18 has critical values ±2.101.
Which observed t leads to rejection of H0?
- A
t = 1.90
- B
t = 0.00
- Ccheck_circle
t = 2.50
- D
t = -1.50
Explanation
Reject when |t| > 2.101. Only t = 2.50 satisfies this.
Setting Up a Test for a Population Mean
AP Statistics· difficulty 2/5
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