The standard deviation of the sampling distribution of the difference [between s

Question

The standard deviation of the sampling distribution of the difference [between sample means] is also referred to as the ___ of the difference. standard difference standard error error of the variance pooled variance estimate For which of the following situations would a two-sample dependent t test most likely be employed? comparing verbal skills for girls versus boys at age 5 years comparing self-esteem for junior high school students who participate in school athletics versus those who do not comparing problem-solving skills for biology majors versus art majors at UT Permian Basin comparing pain tolerance before and after taking a new pain medication The results of a two sample independent t test are reported as, t (5) = 2.12, p > 05, for a two tailed test. What statistical decision was made in step 4 of the hypothesis testing procedure? the researcher retained H_0. the null hypothesis was rejected the researcher retained H_A the researcher rejected H_A

Explanation / Answer

1) b) standard error

2) d) camparing pain tolerance before and after taking a new pain medication

3) P-value > 0.05, so at 5% level of significance, we fail to reject H0

ans) a) the researcher retained H0

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