1 Two Independent Samples t test Overview of Tests Presented Three tests are introduced below: (a) t-test with equal variances,
![T-Test for Unequal Variances Using Excel: Comparing the Means of Two Independent Populations - YouTube T-Test for Unequal Variances Using Excel: Comparing the Means of Two Independent Populations - YouTube](https://i.ytimg.com/vi/dvNfw4PghDw/maxresdefault.jpg)
T-Test for Unequal Variances Using Excel: Comparing the Means of Two Independent Populations - YouTube
![SOLVED: t-Test: Two-Sample Assuming Equal Variances FF Butterfly Abundance NSU Butterfly Abundance 0.464333124 0.655812323 0.028277836 0.054943817 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t ... SOLVED: t-Test: Two-Sample Assuming Equal Variances FF Butterfly Abundance NSU Butterfly Abundance 0.464333124 0.655812323 0.028277836 0.054943817 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t ...](https://cdn.numerade.com/ask_images/7083706eb1d546b1bb24877051af2dcd.jpg)
SOLVED: t-Test: Two-Sample Assuming Equal Variances FF Butterfly Abundance NSU Butterfly Abundance 0.464333124 0.655812323 0.028277836 0.054943817 Mean Variance Observations Pooled Variance Hypothesized Mean Difference df t Stat P(T<=t) one-tail t ...
![SOLVED: t-Test: Two-Sample Assuming Equal Variances Years of Tenure Female Male Mean 6.43552 5.840909 Variance 22.98359 35.55361 Observations 17 22 Pooled Variance 30.11793 Hypothesized Mean Difference df 37 t Stat 0.335524 P(T<-t) SOLVED: t-Test: Two-Sample Assuming Equal Variances Years of Tenure Female Male Mean 6.43552 5.840909 Variance 22.98359 35.55361 Observations 17 22 Pooled Variance 30.11793 Hypothesized Mean Difference df 37 t Stat 0.335524 P(T<-t)](https://cdn.numerade.com/ask_images/ad0876c93a484480b1e5336d2a28ddfd.jpg)
SOLVED: t-Test: Two-Sample Assuming Equal Variances Years of Tenure Female Male Mean 6.43552 5.840909 Variance 22.98359 35.55361 Observations 17 22 Pooled Variance 30.11793 Hypothesized Mean Difference df 37 t Stat 0.335524 P(T<-t)
![Independent T-Test - An introduction to when to use this test and what are the variables required | Laerd Statistics Independent T-Test - An introduction to when to use this test and what are the variables required | Laerd Statistics](https://statistics.laerd.com/statistical-guides/img/istt/independent-t-test-2.png)