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Assignment Score: 43.3% Resources Hint Check Answer K Question 5 of 15 > Stacked Suppose a researcher wants to examine the manual dexterity of nurses by comparing the reaction time of their dominant hand with that of their non-dominant hand. The researcher randomly selects 31 right-handed nurses and administers a test of reaction time to each nurse. The test consists of clicking a small dot on the computer screen when the color of the dot changes from red to blue. Each nurse performs the test with their right hand and then performs the test with their left hand. The researcher records each nurse's right-hand reaction time and left-hand reaction time in milliseconds (ms). He then calculates the difference in right-hand reaction time and left-hand reaction time for each nurse. The sample results are summarized in the table. Variable Sample Sample standard Standard error description mean (ms) deviation (ms) estimate (ms) right-hand reaction time. XR = 317.37811 SR = 159.33331 SER -28.61711 left-hand reaction time XL = 339.19012 SL 122.13881 SEL = 21.93678 difference (right hand - left hand) d = -21.81201 sa 213.53201 SE = 38.35148 The researcher then conducts a paired t-test at a significance level of a = 0.05 to test the null hypothesis Ho: Ma = 0 against the alternative hypothesis HA: Ha # 0. The parameter Ad represents the mean difference of right-hand reaction times and left-hand reaction times for nurses who are right-handed. Given that the researcher randomly selected the nurses for his sample, and the sample data set of calculated differences are roughly normally distributed without any outliers, the conditions for a paired t-test are satisfied. Compute the t-statistic. Please round your answers to three decimal places. 1 =