ASQ
CRE · Question #214
What is the Z value needed to conduct a two tail test in a statistical inference problem, specifying 90% level of confidence?
The correct answer is C. 1.65. See the full explanation below for the reasoning.
Data Collection and Use
Question
What is the Z value needed to conduct a two tail test in a statistical inference problem, specifying 90% level of confidence?
Options
- A1.96
- B1.28
- C1.65
- D2.24
How the community answered
(23 responses)- A17% (4)
- B4% (1)
- C74% (17)
- D4% (1)
Topics
#z-value#hypothesis testing#confidence interval#two-tail test
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