210 Statistics Assignment On The X Test Of Independence Sec 10 2 1 The Popularity Of Computer Video Online And Vr G 1 (38.55 KiB) Viewed 24 times
210 Statistics Assignment On The X Test Of Independence Sec 10 2 1 The Popularity Of Computer Video Online And Vr G 2 (20.07 KiB) Viewed 24 times
210 Statistics Assignment on the x? Test of Independence-Sec 10.2 1. The popularity of computer, video, online, and VR games has raised concerns about their ability to negatively impact youth. Based on a recent survey, students were classified by their average grades and whether they had or had not played such games. Follow the instructions below to use the x? Test of Independence to test whether or not these variables are associated. Use the significance level a = 0.05. (a) state the null and alternative hypotheses. Use the templates on the Notes Page. (6) Calculate the row and column totals and the overall total and enter those values in the chart below A's & B's C's D's & F's Total Played games 736 450 193 205 144 80 Never played games Total (c) Use your graphing calculator to carry out the x? Test of Independence. Report the test statistic and the number of degrees of freedom (d) Give the p-value (e) State your decision 1) State your conclusion about whether or not there is enough evidence to conclude that there is a statically significant relationship between playing games and average grades
(8) Enter the expected frequencies in the table below. Show how at least one of these frequencies was calculated. These can be read from matrix (B) on your calculator after you complete the test. Remember that Expected Frequency row total column total table total A's & B's C's D's & F's Played games Never played games
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