What is t-test?
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A t-test is a statistical test used to determine if there is a significant difference between the means of two groups. It assesses whether the differences observed in sample data are likely to reflect real differences in the populations from which the samples were drawn.
A t-test is a statistical test used to compare the means of one or two groups to determine if there are significant differences between them.
A t-test is a statistical test used to determine if there is a significant difference between the means of two groups. It is commonly used when the sample sizes are small or when the population standard deviation is unknown.