Tag | Value |
---|---|
file | Inferential_Statistics_uva-independent-samples-means-45-en_uva-independent-samples-means-45-en |
name | uva-independent-samples-means-45-en |
section | Inferential Statistics/Parametric Techniques/t-test/Independent samples means |
type | schoice |
solution | TRUE, FALSE, FALSE |
Type | Conceptual |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 3.604 |
p-value | 0.1851 |
Two researchers want to know if a difference of 1 between two averages is significant. In both groups, the standard deviation is 5 and each of the groups has a sample size of 200. The null hypothesis used by the researchers, which states that the difference is equal to 0, is tested against the alternative that states that the difference is unequal to 0. It is tested with an infinite number of (∞) degrees of freedom. The null hypothesis can be rejected at