Question

What is the average value expected for the independent-measures t statistic if the null hypothesis is true?

Answer 1

The average value for t- statistics is 0 if null hypothesis is true.

What is a t – statistics and null hypothesis ?

• The t-statistic, which is used in statistics, measures how far a parameter's estimated value deviates from its hypothesized value relative to its standard error.
• Through the Student's t-test, it is utilized in hypothesis testing. In a t-test, the t-statistic is used to decide whether to accept or reject the null hypothesis.
• It is quite comparable to the z-score, but when the data is small or the standard deviation is unknown, the t-statistic is employed instead.
• The default assumption, or null hypothesis, is that the quantity being measured is zero (null). The quantity to be assessed is often the difference between two circumstances.
• Trying to determine, for instance, whether there is conclusive evidence that an impact has happened or that samples come from several batches

The t-test yields a t-value of 0 if the sample data precisely match the null hypothesis. The value of the t-value rises as the sample data diverge more and more from the null hypothesis.

To learn more about null hypothesis visit here:

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