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10 items were sold.  The price of one item is $10.  The sales tax rate is 5%.I have created an Excel application that can be used to tell me how much a customer needs to pay, including sales tax.  Which of the following is the correct sales tax formula when calculating the final amount that the customer owes?

The null hypothesis predicts there is a relationship between the variable and a significant difference between the groups.

The optimal approach for researchers to determine their proposed sample size is to select a sample size based on past studies.

Which sampling technique is most desirable in quantitative research?

Distinguish between a survey and experimental design in quantitative research.

After data collection is complete, the last step in an experiment is to interpret the findings considering the hypotheses or research questions and to draft a results and discussion section.

A mixed method purpose statement must include a rationale for combining qualitative and quantitative data.

Which are different types of threats to external validity?

You do not have to define terms in a purpose statement if you include a “definition of terms” section in your proposal.

R, SPSS, Excel, and Stata are popular computer programs for quantitative data entry, analysis, and data visualization.