Helen conducted a study in which she measured the response time for males and females to complete a spatial task.She found that the mean response time was 1.48 minutes for males and 1.63 minutes for females.For Helen to be confident that an actual difference exists between the males and females in her study,she must

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In order to determine if there is a significant difference between the mean response times for males and females, Helen must calculate an inferential statistic such as a t-test or ANOVA to determine if the difference is statistically significant or simply due to chance. Redoing the experiment or obtaining a larger sample may provide more data but they are not necessary if the statistical test indicates a significant difference. Calculating a correlation coefficient is not appropriate for comparing means.

Helen Conducted a Study in Which She Measured the Response