Qs- In 2011, students asked to choose one of three exercises in a college, 51.6% of students chose category (A), 18.8% chose (B), and 29.7% chose (C). Assume that results were true for all students in 2011. Suppose a recent random sample of 520 student produced the frequencies given in the following table. Exercise category в Number of students 141 131 248 By using Chi square, Test at a 5% significance level whether the current distribution of exercise frequency differs from that of 2011.

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Author:Amos Gilat
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Qs- In 2011, students asked to choose one of three exercises in a college, 51.6% of
students chose category (A), 18.8% chose (B), and 29.7% chose (C). Assume that results
were true for all students in 2011. Suppose a recent random sample of 520 student
produced the frequencies given in the following table.
Exercise category
A
в
Number of students
141
131
248
By using Chi square, Test at a 5% significance level whether the current distribution of
exercise frequency differs from that of 2011.
Transcribed Image Text:Qs- In 2011, students asked to choose one of three exercises in a college, 51.6% of students chose category (A), 18.8% chose (B), and 29.7% chose (C). Assume that results were true for all students in 2011. Suppose a recent random sample of 520 student produced the frequencies given in the following table. Exercise category A в Number of students 141 131 248 By using Chi square, Test at a 5% significance level whether the current distribution of exercise frequency differs from that of 2011.
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