Answer :

In testing for differences between the means of 2 independent populations the null hypothesis is zero.

What is Null hypothesis?

This is defined as a statistical hypothesis which has no statistical significance in a set of given observations.

In testing for differences between the means of 2 independent populations the null hypothesis is the difference between the two population means and is not significantly different from zero which is denoted below:

H₀: µ₁ - µ₂ = 0

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