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Topic 3 DQ 2Health care uses research to answer the questions to an hypothesis or educated guess, how the datais gathered and analyzed is determined by the hypothesis. Hypothesis testing will be determined bythe data that is collected the research will show correlations and correlations will show how thetopics differ together. The confidence interval helps to reject the null hypothesis. The confidenceinterval is an interval estimate for the mean(Ambrose, 2018). It is a range of values that are set closeto the mean either in a positive or negative direction. For the null to be rejected, 95% of the values