Six Second-Graders Tried Tossing a Ball into a Basket Ten

question 17

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. $$\begin{array} { c | c c c c c c } \text { Student } & \mathbf { A } & \mathbf { B } & \mathbf { C } & \mathbf { D } & \mathbf { E } & \mathbf { F } \\\hline \text { Before the suggestion (out of 10) } & 2 & 4 & 5 & 2 & 5 & 4 \\\text { After the suggestion (out of 10) } & 4 & 4 & 2 & 4 & 2 & 4\end{array}$$ Compute S, the test statistic for a signed-rank test.

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

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Definitions:

Future Value

The value of an investment at a specific date in the future, accounting for factors such as interest rates and compounding.

Present Value

The contemporary monetary value of forthcoming sums or cash flow instances, considering a chosen rate of return.

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The selection of a specific time or rate when certain financial actions are to be taken or investments made.

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Future payments refer to money that will be paid at a forthcoming date as a result of contractual obligations or anticipated transactions.