Math  /  Data & Statistics

QuestionCurrent Attempt in Progress
The following is a set of hypotheses, some information from one or more samples, and a standard error from a randomization distribution.
Test H0:p=0.25H_{0}: p=0.25 vs Ha:p<0.25H_{a}: p<0.25 when the sample has n=700n=700, and p^=0.225\hat{p}=0.225 with SE=0.02S E=0.02.
Find the value of the standardized zz-test statistic.
Round your answer to two decimal places. z=z= i

Studdy Solution
Round the result to two decimal places:
The z z -test statistic is:
z=1.25 z = -1.25
The value of the standardized z z -test statistic is:
1.25 \boxed{-1.25}

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