ntrol Q2 The reaction times (RT) of seven students were measured for both signals. Do students respond faster to a visual signal or an auditory signal? Answer the question by conducting a statistical test. Use a = .05. Pair 1 2 3 4 5 6 7 Auditory RT (seconds) 0.16 0.19 0.14 0.14 0.13 0.18 0.20 a) Write down the null and alternative hypotheses (6 points) b) What is the critical value? Show you steps (2 points) Visual RT (seconds) 0.18 0.20 0.20 0.17 0.14 0.17 0.21 Mar F12 G delete 10 c) Calculate the sample mean and sample SD of difference score D (6 points) d) What is the test statistic? Show your calculations (4 points) retain null 1) Calculate the 95% confidence interval of the mean of the difference of reaction times. (6 difference What is your conclusion? (2 point)) hypothesis, not found a points) between the g) Report the results in APA style (4 points) in the reaction response enter return shift