High School

The Z calculated for a two-tail test is -1.64, and the Z critical is ±1.64. What is your decision on the test?

Reject/Accept Ho.

Answer :

The Z calculated value (-1.64) falls within the range of the Z critical values (+/- 1.64), we would accept the null hypothesis.

The question states that the Z calculated for a two-tail test is -1.64, and the Z critical is +/- 1.64.

To make a decision on the test, we need to compare the Z calculated value with the Z critical value.

In a two-tail test, the critical region is split between the two tails of the distribution.

If the Z calculated value falls outside the range of the Z critical values, we reject the null hypothesis .

If the Z calculated value falls within the range of the Z critical values, we accept the null hypothesis .

In this case, since the Z calculated value (-1.64) falls within the range of the Z critical values (+/- 1.64), we would accept the null hypothesis .

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