An independent t-test is used to identify any.
A) Difference in means between groups containing different people when the data are normally distributed, have equal variances and data are at least interval.
B) Difference in means between groups containing different people when the data are not normally distributed or have unequal variances.

Question

Quizplus · Accepted Answer

An independent t-test is suitable for identifying any differences in means between two groups containing different people when the data are normally distributed, have equal variances, and data are at least at the interval level. If the data are not normally distributed or there are unequal variances, a different test such as the Mann-Whitney U test or Welch's t-test should be used.

An Independent T-Test Is Used to Identify Any