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l. The popularity of virtual reality games has raised concerns about their negative impact on young people (especially on their grades in school). The data

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l. The popularity of virtual reality games has raised concerns about their negative impact on young people (especially on their grades in school). The data below are based on a recent survey of l4-to 18-year-old boys in high schools across the province. GRADE Row A&B C D&F Total Plays 193 450 736 1379 video games Does not 429 play video games Column 273 594 941 1808 Total a. A graph for these bivariate data is shown below. Use it to describe the relationship, if any, between a young person's grade in school and whether or not the person plays video games. [2 marks] EA&EI EC |:[D&F Percentage D] D Plays Does Not Play b. Calculate the expected count of the upper right hand cell and interpret it. [3 marks] 0. The value of x2 is 6.739. State the appropriate inference. Justify your answer. [3 marks]

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