Tag | Value |
---|---|
file | Inferential_Statistics_uva-independent-samples-means-249-en_uva-independent-samples-means-249-en |
name | uva-independent-samples-means-249-en |
section | Inferential Statistics/Parametric Techniques/t-test/Independent samples means |
type | schoice |
solution | FALSE, TRUE, FALSE |
Type | Conceptual |
Language | English |
Level | Statistical Literacy |
IRT-Difficulty | 4.027 |
p-value | 0.1099 |
One tests the hypothesis that the average IQ score in a given population is equal to 120, against the alternative hypothesis that that mean is greater than 120. In both cases, the standard deviation is equal to 17. In a random sample of n = 49 individuals, one finds a sample mean of 125. The hypothesis that the population mean is equal to 120 can then be rejected at