independent two-sample t-test
GPTKB entity
Statements (33)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
statistical analysis
|
| gptkbp:alsoKnownAs |
unpaired t-test
|
| gptkbp:alternativeTo |
gptkb:Mann-Whitney_U_test
gptkb:Welch's_t-test means of two groups are not equal |
| gptkbp:assumes |
homogeneity of variances
independence of observations normal distribution of data |
| gptkbp:category |
parametric test
|
| gptkbp:developedBy |
gptkb:William_Sealy_Gosset
|
| gptkbp:field |
gptkb:medicine
biostatistics psychology social sciences statistics |
| https://www.w3.org/2000/01/rdf-schema#label |
independent two-sample t-test
|
| gptkbp:input |
two independent samples
|
| gptkbp:introducedIn |
1908
|
| gptkbp:nullHypothesis |
means of two groups are equal
|
| gptkbp:output |
confidence interval
p-value t-statistic value |
| gptkbp:relatedTo |
gptkb:Student's_t-distribution
gptkb:paired_t-test ANOVA |
| gptkbp:software |
gptkb:Python
gptkb:SAS gptkb:SPSS R |
| gptkbp:statistic |
t-statistic
|
| gptkbp:usedFor |
comparing means of two independent groups
|
| gptkbp:bfsParent |
gptkb:Student's_t-test
|
| gptkbp:bfsLayer |
5
|