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Difference Between Groups Using Two-sample Inference

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.

Questions: 10 | Attempts: 137 | Last updated: Mar 20, 2023

Sample Question 1
Hypotheses convening the relative size of the means of two population are tested by...

Sample value and P-value

Critical Values and P-value

Confidence Interval

Point estimate and P-value

Sample Question 2
Independent values are composed of groups that are in no way matched to them.

Always true

Often true

Occasionally true

Never true

Sample Question 3
A point estimate for the difference in two group population is the...

Difference in different sample means

Difference in standardised test statistics

Similarities in different sample means

Difference in corresponding sample means