Performance and duration differences between online and paper–pencil tests

Read the article (p. 221 –225) : Article attached!

«Performance and durationdifferences between online and paper–pencil tests»and answer the questions below.

Part A.

1. Develop a 95% confidenceinterval using data from this study.

2. Perform a hypothesis testingusing data from this study.

(show all the the appropriatesteps).

3. Suggest another statisticaltechnique(s) for the purpose of this study. Explain.

Part B.

For this study briefly describehow the researcher draw conclusions from a sample about a population. Try to beas analytic as possible and use the comments bellow.

1. Determine (or define) theindependent variable(s).

2. Determine (or define) thedependent variable(s).

3. Determine (or define)qualitative and quantitative variable(s).

4. Determine (or define) thesample and the population.

5. Describe the statistical method(s) being used and defineinferential statistics. Interpret the meaning of p-value.