Questions on T-tests and it’s assumptions

I am just starting to learn statistics and I am attempting to perform an independent T-test of two groups (male and female) and their purchases (amount in dollars).

I want to see if there is a significant difference in average spending between the two genders.

However, my two groups both have different variances (checked using Levene method) and really non-normal distributions (with outliers).

Note: my sample size is very large for both groups (thousands)

My question is can I still use a T-test or Welches T-test on this data? I know it violates the assumptions of a T-test but I’ve been reading that it doesn’t matter when your sample size is large.

Any help is appreciated and I’m just starting to learn stats so sorry if I’m approaching this the wrong way!

submitted by /u/aghoraman47
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Nevin Manimala

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