Directions: Read and sign the academic honesty certification statement below, then read the questions carefully and answer them to the best of your ability. You may write your answers on this sheet or...

Review document, provide answers and show the work via what the document request.


Directions: Read and sign the academic honesty certification statement below, then read the questions carefully and answer them to the best of your ability. You may write your answers on this sheet or on the sheet you do your work on, but please show your work clearly and coherently to earn full points! Follow directions (if any) as outlined in Midterm Exam folder. Note: Submit your Midterm Exam as a single submission. The Midterm Exam is due as specified in “Course Schedule”. I cannot accept any late submissions! This is open-book and notes; calculators & online integrators are authorized for use. Good luck! I certify the work submitted on and with this document represents my own personal work. I have not collaborated with, or consulted with, anyone else to produce the work I am submitting. I certify I have not used any instructor solutions manuals, or any online problem solving services. I understand and agree to abide by UMUC Policy on Academic Dishonesty and Plagiarism. _______________________________________ Student Signature & Date Show your work! · Evaluate manually and write/type it on the quiz document, or · Provide scan/image of work done on calculator, or · Insert chart/graphic if using software ****************************************************************************** Question 1 (10 points) a) An outlier is a point more than ______________ IQR from either end of the box in a boxplot. b) _________________ symbol represents the standard deviation of the population. c) A numerical value used as a summary measure for a sample, such as sample mean, is known as a _________________________ Question 2 (10 points) a) The Federal Election Commission (FEC) collects information about campaign contributions and disbursements for candidates and political committees each election cycle. A political action committee (PAC) is a committee formed to raise money for candidates and campaigns. A Leadership PAC is a PAC formed by a federal politician (senator or representative) to raise money to help other candidates’ campaigns. The FEC has reported financial information for 556 Leadership PACs that were operating during the 2011-2012 election cycle. A random selection of 26 Leadership PACs shows a mean of $251,854.23 with a sample standard deviation of $521,130.41. Use this information to construct a 96% confidence interval for the mean amount of money raised by all Leadership PACs during the 2011–2012 election cycle. b) Question 3 (10 points) Table #2.3.7 contains the value of the house and the amount of rental income in a year that the house brings in ("Capital and rental," 2013). Create a scatter plot and state if there is a relationship between the value of the house and the annual rental income. Table #2.3.7: Data of House Value versus Rental Value Rental Value Rental Value Rental Value Rental 81000 6656 77000 4576 75000 7280 67500 6864 95000 7904 94000 8736 90000 6240 85000 7072 121000 12064 115000 7904 110000 7072 104000 7904 135000 8320 130000 9776 126000 6240 125000 7904 145000 8320 140000 9568 140000 9152 135000 7488 165000 13312 165000 8528 155000 7488 148000 8320 178000 11856 174000 10400 170000 9568 170000 12688 200000 12272 200000 10608 194000 11232 190000 8320 214000 8528 208000 10400 200000 10400 200000 8320 240000 10192 240000 12064 240000 11648 225000 12480 289000 11648 270000 12896 262000 10192 244500 11232 325000 12480 310000 12480 303000 12272 300000 12480 Question 4 (10 points) Print-O-Matic printing company spends specific amounts on fixed costs every month. The costs of those fixed costs are in table #3.2.13. Table #3.2.13: Fixed Costs for Print-O-Matic Printing Company Monthly charges Monthly cost ($) Bank charges 482 Cleaning 2208 Computer expensive 2471 Lease payments 2656 Postage 2117 Uniforms 2600 a.) Find the mean and median. b.) Find the range. c.) Find the variance and standard deviation. Question 5 (10 points) In the game of roulette, there is a wheel with spaces marked 0 through 36 and a space marked 00. a.) Find the probability of winning if you pick the number 7 and it comes up on the wheel. b.) Find the odds against winning if you pick the number 7. c.) The casino will pay you $20 for every dollar you bet if your number comes up. How much profit is the casino making on the bet? Question 6 (10 points) a) Find b) How many ways can you choose seven people from a group of twenty? Question 7 (10 points) Approximately 10% of all people are left-handed. Consider a grouping of fifteen people. 1. State the random variable. 1. Write the probability distribution. 1. Draw a histogram. 1. Describe the shape of the histogram. 1. Find the mean. 1. Find the variance. 1. Find the standard deviation. 10P6 10 P 6