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2. (08.02 LC) A random sample of 200 students was surveyed to determine participants' number of siblings. The results are shown in the table. Grade

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2. (08.02 LC) A random sample of 200 students was surveyed to determine participants' number of siblings. The results are shown in the table. Grade Level No. of Siblings 0 1 2 3 2 Freshman 9 15 16 6 4 Sophomore 18 14 8 7 Junior 5 16 16 12 1 Senior 13 4 18 13 2 How many degrees of freedom exist for a x- test on these data? (2 points) Four Five Nine O 12 O 20 3. (08.02 LC) What is the value of x for the two-way table? ABC D X 5 10 15 20 Y 7 13 17 21 (2 points) 0.5320 0.0801 1.08 0.2830 0.9632

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