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Six Second-Graders Tried Tossing a Ball into a Basket TenCompute S\mathrm { S }

Question 18
Multiple Choice
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Multiple Choice

Six second-graders tried tossing a ball into a basket ten times each. Their teacher then suggested a different way of tossing the ball, and the six students tried again. The number of successful tosses, before and after the teacher's suggestion, are shown below.
 Student ABCDEF Before the suggestion (out of 10) 446464 After the suggestion (out of 10) 643634\begin{array}{c|cccccc}\text { Student } & \mathbf{A} & \mathbf{B} & \mathbf{C} & \mathbf{D} & \mathbf{E} & \mathbf{F} \\\hline \text { Before the suggestion (out of 10) } & 4 & 4 & 6 & 4 & 6 & 4 \\\text { After the suggestion (out of 10) } & 6 & 4 & 3 & 6 & 3 & 4\end{array}
Compute S\mathrm { S } , the test statistic for a signed-rank test.

A) S=7S = 7
B) S=3S = 3
C) S=2S = 2
D) S=6S = 6

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