rses/11874/quizzes/61910/take Question 10 3 pts The table below shows scores on a laboratory component test in a biostatistics course before using a new study guide and tests on a similar laboratory component test after using the study guide for a random sample of 10 students. Person Before After 1 87 89 2 91 90 3 84 88 4 80 85 5 83 85 6 82 88 86 86 78 84 80 84 10 95 91 What is the value of the test statistic? Express your answer in 3 decimal places. Hint: d, = after score - before score Note: * > 0 3 pts