Below are the results of two polls of random samples of high school seniors and juniors, who were asked if they approve of, disapprove of, or do not care about a proposed ban of energy drinks on high school campuses. Poll I Poll II Approve Disapprove Do Not Care Total Seniors 10 30 60 100 Juniors 12 32 56 100 Approve Owoproie De None Care Toul EDIT CALC TESTS Interval... 8: interval., 9:2 amp2Int..... 8:2-5PTInt..... A: 1-Pro 2Int...... B:2-Prop nt...... CUx2-Test... a. Compare the proportions of seniors and juniors who approve, disapprove, and do not care in the two polls. File Data Edit Craph Sta Des For each poll, use your calculator or computer software to compute a table of ected counts and x². SESTRINS Date A Approve Disapprove Do Not Care Total Regression Linear Quadratic Cubic Quartic Power Exponential Logarithmic Polynomial Sinusoidal Seniors 100 300 600 1,000 mizat Distribution Astribution of p x²-Test Observed: Expected 81 Calculae Draw om Tools Help Juniors 120 320 560 1,000 c. Explain why one value of x² is much larger than the other.

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