Rock-paper-scissors: Rock-paper-scissors is a hand game played by two or more people where players choose to sign either rock, paper, or scissors with their hands. For your AP Statistics class project, you want to evaluate whether players choose between these three options randomly, or if certain options are favored above others. You ask two friends to play rock-paper-scissors and count the times each option is played. The following table summarizes the data: Rock Paper Scissors 43 21 35 Use these data to evaluate whether players choose between these three options randomly, or if certain options are favored above others. Make sure to clearly outline each step of your analysis, and interpret your results in context of the data and the research question. The hypotheses to test the research question are: Ho: people choose rock twice as much as paper Ha: paper is the best choice Ho: the distribution is uniform Ha: this distribution is not uniform Ho: prock = .43, ppaper = .21, pscissors = .35 Ha: at least one of the probabilities is different The value of the test statistic is: (please round to two decimal places) The degrees of freedom associated with this test are: The p-value associated with this test is: (please round to four decimal places) Discuss the conclusion of the test in the context of the research study: The data provide sufficient evidence to claim that rock, paper, and scissors are not chosen equally as often as one another The data do not provide sufficient evidence to claim that rock, paper, and scissors are not chosen equally as often as one another

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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6.43 Rock-paper-scissors: Rock-paper-scissors is a hand game played by two or more people where players choose to sign either rock, paper, or scissors with their hands. For your AP Statistics class project, you want to evaluate whether players choose between these three options randomly, or if certain options are favored above others. You ask two friends to play rock-paper-scissors and count the times each option is played. The following table summarizes the data:

Rock	Paper	Scissors
43	21	35

Use these data to evaluate whether players choose between these three options randomly, or if certain options are favored above others. Make sure to clearly outline each step of your analysis, and interpret your results in context of the data and the research question.
The hypotheses to test the research question are:

Ho: people choose rock twice as much as paper
Ha: paper is the best choice
Ho: the distribution is uniform
Ha: this distribution is not uniform
Ho: p_rock = .43, p_paper = .21, p_scissors = .35
Ha: at least one of the probabilities is different

The value of the test statistic is:

(please round to two decimal places)

The degrees of freedom associated with this test are:

The p-value associated with this test is:

(please round to four decimal places)

Discuss the conclusion of the test in the context of the research study:

The data provide sufficient evidence to claim that rock, paper, and scissors are not chosen equally as often as one another
The data do not provide sufficient evidence to claim that rock, paper, and scissors are not chosen equally as often as one another

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