Font size
WorksheetsIdentifying Rejection Region and Test Statistic
Total questions: 10
Worksheet time: 4mins
If the computed t-value is at the noncritical region, the null hypothesis will be
Accepted
Rejected
Critical Z-value: 2.33, Computed Z-value: 2.465. The computed Z-value falls at the
Noncritical Region
Critical Value
Critical Region
When finding the critical Z-value for right-tailed test, first, α will be
multiplied by 2
subtracted from 1
divided by 2
If the test is a left-tailed, the illustration for the critical region will be
Find the critical Z-value for α=0.05 , two-tailed test.
−1.96 or 1.96
−1.69 and 1.69
−1.69 or 1.69
−1.96 and 1.96
Find the critical t-value for α=0.005 with df =7 for left-tailed test.
−3.949
3.499
−3.499
3.949
Find the critical Z-value for α=0.10 , left-tailed test.
−1.28
−1.645
−1.82
−1.456
Find the critical t-value for α=0.01 with df =13 for two-tailed test.
±2.650
±2.056
±3.210
±3.012
Find the areas for α=0.05 , two-tailed test.
0.0500 and 0.9500
0.1000 and 0.9000
0.0250 and 0.9750
Bonus Question
What song is pinned in my Facebook profile? Use UPPERCASE letters.
(a)
