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Quiz on Revenue

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Quiz 1;Refer to the following time plot that shows the number of breeding;bald eagle pairs in the lower United States and answer the questions;1-2.;1. For which year is the number pairs of bald eagles is lowest according;to the above plot?;2. Write the approximate number of pairs of bald eagles in the year;2000.;Page 2;Refer to the following display for the questions 3-4;3. The total revenue received according to the above display is;approximately;4. The percentage of revenue contributed by the state is approximately;Page 3;5. Approximately what percentage of the expenses is in the area of;operations and maintenance?;Page 4;Refer to the following stem plot for the questions 6-10;The stem plot displays the number of hours that a sample of;15 students spent studying for a calculus final exam;0* 9;1*;1* 2333;1* 45;1* 6;1* 8899;2 * 0;2 * 2;2* 4;6. What is the mean of this data?;7. What is the median of this data?;8. What is the first quartile of this data?;9. What is the third quartile of this data?;10. What is the inter quartile range of this data?;11. It is discovered that 24 hours was a typographical error for 42;hours. How will this error change the answer for mean in the question;#?;12. It is discovered that 24 hours was a typographical error for 42;hours. How will this error change the answer for median in the;question #7?;Page 5;Use the following histogram for answering questions 13-16;The histogram refers to the family incomes of 100 families in a certain;county;13. Fill in the following table based on the information from the;above histogram.;Class (1000s of $$) MIDPOINT Frequency;0? income? 50;50? income? 100;100? income? 150;150? income? 200;200? income? 250;250? income? 300;300? income? 350;350? income? 400;400? income? 450;450? income? 500;500? income? 550;550? income? 600;14. Write the % families with income less than $50000;Page 6;15. Write an approximate value of the mean for the data;represented by this histogram.;16. Write the class that contains the median value for this data.;For the questions 17?19 use the following sample data for the time that it took members of a search;committee to go through 6 applications, the time is in minutes.;12, 18, 23, 27, 28, 30;17. Find the mean x of this data.;18. Fill the following table;x x? x??2 x? x;12;18;23;27;28;30;19. Find the standard deviation s of this data.;20. A bag of candies contains 20 candies, 8 of which are red, 6 blue;3 yellow, and 3 green. A candy is randomly drawn. Write the;probability that this candy will be red.;Page 7;21. Refer to the following table that shows the gender of faculty;members and their discipline areas in a certain college and answer the;questions 22-25;Male Female;STEM 78 42;HUMANITIES 65 70;BUSINESS 59 21;A faculty member is selected at random.;22. Find the probability that the randomly chosen faculty member is;a male.;23. Find the probability that the randomly chosen faculty member is;a male given that the choice is from Humanities.;24. Find the probability that the randomly chosen faculty member is;a male and teaches business.;25. Find the probability that the faculty member teaches business.;26. Two fair dice (one yellow and the green) are rolled. Find the;probability that the green die will have six dots facing up given that;the yellow die has six dots facing up.;27. Are the event six dots facing up on the yellow die and the event;six dots facing up on the green die independent?;Page 8;Use the following box plot for the questions 28-30. The box plot refers to;a sample of average monthly temperatures in degrees Fahrenheit for the;cities of San Diego and Minneapolis.;28. Which city has a greater variability in average monthly;temperatures?;29. Which city has the greater percentage of months with;temperatures over 55 degrees F?;30. Write the medians of the two box plots.

 

Paper#35427 | Written in 18-Jul-2015

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