Question

The table shows the student populations for randomly selected colleges by region on the 2016 list. Student populations Northeast Midwest South West 1,805 24,766 6,621 1.498 2,948 14,7691,394 1.459 29,175 1.144 3,688 5,988,132 .4182,850 12820 1,63214,747275 50,320 5,123 14,906 24.932 31,354 5,931 49,610 2,127 2.791 10,033 19,934 11.458 1575 31.332 9,181 14,317 2,113 20,445 755 15,117 18,090 EXERCISES 1. Construct a side-by-side box-and-whisker plot for ian student populations appear to be the same? Do any 4. The median student population at a college in the the four regions. Do any of the med South is 10,000. 5. The median student population at a college in the appear to be different? West is different from 8000 In Exercises 2-5, use the sign test to test the claim 2. The median student population at a college in the 3. The median student population at a college in the In Exercises 6 and 7, use the Wilcoxon rank sum test to test the claim. Use α = 0.01. What can you conclude? Use α-0.05. 6. There is no difference between student Northeast is less than or equal to 7000. populations for colleges in the Midwest and colleges in the West. Midwest is greater than or equal to 8000 7. There is a difference between student populations for colleges in the Northeast and colleges in the South.

Answer 1

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