Compare two different groups of data

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T-tests are when we want to compare two different groups of data and we want to know if they are significantly different or relatively the same, hypothesis test is applied when standard deviation is not known and the sample size is small and we want to find out the p-value that can be used to accept or reject the null hypothesis.

Is this statement true or false? Why? Explain

To use the two-sample t-test, we need to assume that the data from both samples are normally distributed and they have the same variances. For paired t-test, we only require that the difference of each pair is normally distribution.

Is this statement true or false? Why? Explain

Reference no: EM132316919

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