With a combination of significance tests and confidence intervals, evaluate your knowledge of how to use two-sample inference to define the difference between groups.
Sample value and P-value
Critical Values and P-value
Confidence Interval
Point estimate and P-value
Always true
Often true
Occasionally true
Never true
Difference in different sample means
Difference in standardised test statistics
Similarities in different sample means
Difference in corresponding sample means
Always true
Often true
Occasionally true
Never true
3 steps
4 steps
5 steps
6 steps
Similarities of the two population means
Difference in confidence interval
Differences of the two population means
Similarities in confidence interval
True
False
Not defined
Depends on some factors
True
False
Maybe
Depends on some factors
Different from the data used in formulas
Different from the data used in confidence interval
The data that are used in the formulas
The data used in confidence interval
True
False
Maybe
Depends on some factors