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how to doa Z test using the 5 steps of hypothesis testing for a two-tailed test and the 95% confidence intervals for each study. normal

how to doa Z test using the 5 steps of hypothesis testing for a two-tailed test and the 95% confidence intervals for each study. normal distribution

figure the the SDM, Cut-off Z, Sample Z, Conclusion and 95% Confidence Interval.

Study Population Sample Size Sample Mean Significance Level

M SD N

a. 36 8 16 38 .05

b.36 6 16 38 .05

c.36 4 16 38 .05

d.34 4 16 38 .01

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