(1 point) In which of the following scenarios will conducting a two-sample t-tes
ID: 3376325 • Letter: #
Question
(1 point) In which of the following scenarios will conducting a two-sample t-test for means be appropriate? CHECK ALL THAT APPLY. A. To test if the mean annual income of Ontarians is higher than that of British Columbians B. To test if there is a difference between the mean annual income of husbands and that of wives in Canada. C. To test if there is a difference between the mean annual income of British Columbians and a known national mean D. To test if the proportion of low-income families is higher than that of high-income families in British Columbia. E. To test if there is a difference between the proportion of low-income families in British Columbia and a ?own natonal proportion. F. To test if there is a difference between the mean annual income of male British Columbians and that of female British Columbians. G. None of the aboveExplanation / Answer
SolutionA
he standard error (SE) of a statistic (usually an estimate of a parameter) is the standard deviation of its sampling distribution or an estimate of that standard deviation. If the parameter or the statistic is the mean, it is called the standard error of the mean (SEM).
given for IDX treated
mean=x=112.5
s=2.81
Soluionb:
for untreated group
mean=88.9
s=2.02
Related Questions
Navigate
Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.