Asked by Joslin Jefferson on May 27, 2024
Verified
A z-statistic of 1.35 is significant at the .05 alpha level for a two-tailed test.
Alpha Level
The threshold of probability set for rejecting the null hypothesis in a statistical test, often set at 0.05, indicating a 5% risk of concluding a difference exists when there is none.
Two-tailed Test
A statistical test used to determine if there is a significant difference between two groups in either direction.
- Acquire insight into the concept and application of z-statistics and significance levels within the context of hypothesis testing.
Verified Answer
HB
Hayleigh BrookJun 02, 2024
Final Answer :
False
Explanation :
A z-statistic of 1.35 does not fall outside the critical values of a two-tailed test at the .05 alpha level, so it is not considered significant. The critical values for a two-tailed test at the .05 alpha level are +/- 1.96.
Learning Objectives
- Acquire insight into the concept and application of z-statistics and significance levels within the context of hypothesis testing.