MSIT 3000 Test 2 With Latest Answers.

MSIT 3000 Test 2 With Latest Answers.
as the sample size increases the confidence interval - CORRECT ANSWER gets narrower and SE decreases



as the confidence interval increases the confidence interval - CORRECT ANSWER gets wider and the
critical value increases



confidence intervals are not about - CORRECT ANSWER individuals and sample statistics



a confidence interval never implies - CORRECT ANSWER that the parameter changes



hypothesis test - CORRECT ANSWER used to measure the strength of evidence against Ho



sampling distribution - CORRECT ANSWER the distribution of statistics that would result from taking
many samples



for a sample size to be valid the shape has to be - CORRECT ANSWER valid and at least 30



For the same sample size and standard deviations, a bigger difference between group means, leads to a
- CORRECT ANSWER smaller p value



For the same sample size and difference between group means, smaller standard deviations would lead
to a - CORRECT ANSWER smaller p value



test statistic - CORRECT ANSWER (sample statistic - hypothesized value)/ SE



what statistical test should be used when the response variable is categorical - CORRECT ANSWER one
proportion z test



what statistical test should be used when the response variable is one quantitative variable - CORRECT
ANSWER one sample t test