If you wish to test whether two population means are equal using a two-samplet test with a pooled estimate of the common variance, which of the following assumptions isNOT true?
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The population variances should be equal or nearly equal.
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The two samples must be independent of each other.
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The two samples sizes are small and the samples must be randomly selected from the populations.
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The populations from which the samples are drawn must betdistributed.