1. The following table lists the number of deaths by cause as reported by the Centers for Disease Control and Prevention on February 6, 2015 (Source: www.cdc.gov). Cause of Death Number of Deaths Heart disease 611,105 Cancer 584,881 Accidents 130,557 Stroke 128,978 Alzheimer's disease 84,767 Diabetes 75,578 Influenza and Pneumonia 56,979 Suicide 41,149 a. What is the variable for this data set? b. How many observations are in this data set? *1 c. How many elements does this data set contain? *2 Answer *1: exact number, no tolerance Answer *2: exact number, no tolerance 2. Indicate if the following variable is quantitative or qualitative. The amount of time a student spent studying for an exam is a variable. 3. Indicate if the following variable is quantitative or qualitative. The amount of rain last year in 30 cities is a variable. 4. Indicate if the following variable is quantitative or qualitative. The arrival status of airline flights (early, on time, late, canceled) at an airport is a variable. 5. Indicate if the following variable is quantitative or qualitative. A person's blood type is a variable. 6. Indicate if the following variable is quantitative or qualitative. The amount of gasoline put into a car at a gas station is a variable. 7. Explain whether the following constitutes a population or a sample. The number of pizzas ordered on Fridays during 2015 at all of the pizza parlors in your town constitutes a . 8. Explain whether the following constitutes a population or a sample. The dollar value of auto insurance claims filed in 2015 for 200 randomly selected policies constitutes a . 9. Explain whether the following constitutes a population or a sample. The opening price of each of the 500 stocks in the S&P 500 stock index on January 4, 2016 constitutes a . 10. Explain whether the following constitutes a population or a sample. The total home attendance for each of the 18 teams in Major League Soccer during the 2015 season constitutes a . 11. Explain whether the following constitutes a population or a sample. The living areas of 35 houses listed for sale on March 7, 2015 in Chicago, Illinois constitutes a . 12. The following data give the results of a sample survey. The letters A, B, C represent the three categories. A B A C B B A C B C C C A B A C C C C B B C A B C B C C B C a. Prepare a frequency distribution table. Categor y A B C Answer *1: exact number, no tolerance Answer *2: exact number, no tolerance Answer *3: exact number, no tolerance Frequency *1 *2 *3 b. Calculate the relative frequencies and percentages for all categories. Round your answers for relative frequencies to three decimal places and your answers for percentages to one decimal place. Cate gory Relative Frequency Percentage *1 *2 *3 *4 *5 *6 A B C Answer Answer Answer Answer Answer Answer *1: *2: *3: *4: *5: *6: the the the the the the tolerance tolerance tolerance tolerance tolerance tolerance is is is is is is +/-2% +/-2% +/-2% +/-2% +/-2% +/-2% c. What percentage of the elements in this sample belong to Category A? Round your answer to one decimal place. *1% of the *1% of the elements in this sample belong to category A. Answer *1: the tolerance is +/-2% d. What percentage of the elements in this sample belong to category B or C? Round your answer to one decimal place. elements in this sample belong to category B or C. Answer *1: the tolerance is +/-2% e. Draw a bar graph for the frequency distribution. 13. The accompanying table lists the 2010 median household incomes, rounded to the nearest dollar, for all 50 states and the District of Columbia. State 2010 Median Household Income (dollars) State 2010 Median Household Income (dollars) AL 40,976 MT 41,467 AK 58,198 NE 52,728 AZ 47,279 NV 51,525 AR 38,571 NH 66,707 CA 54,459 NJ 63,540 CO 60,442 NM 45,098 CT 66,452 NY 49,826 DE 55,269 NC 43,753 DC 55,528 ND 51,380 FL 44,243 OH 46,093 GA 44,108 OK 43,400 HI 58,507 OR 50,526 ID 47,014 PA 48,460 IL 50,761 RI 51,914 IN 46,322 SC 41,709 IA 49,177 SD 45,669 KS 46,229 TN 38,686 KY 41,236 TX 47,464 LA 39,443 UT 56,787 ME 48,133 VT 55,942 MD 64,025 VA 60,363 MA 61,333 WA 56,253 MI 46,441 WV 42,839 MN 52,554 WI 50,522 MS 37,985 WY 52,359 MO 46,184 Source: U.S. Census Bureau. a. Construct a frequency distribution table using the following classes. Median Household Income Frequency 37,000 to 41,999 *1 42,000 to 46,999 *2 47,000 to 51,999 *3 52,000 to 56,999 *4 57,000 to 61,999 *5 62,000 to 66,999 *6 b. Calculate the relative frequency and percentage for each class. Round your answers for relative frequencies to three decimal places and your answers for percentages to one decimal place. Median Househol d Income Relative Frequency Percentage 37,000 t o 41,999 *7 *8 *9 *10 *11 *12 *13 *14 *15 *16 *17 *18 42,000 t o 46,999 47,000 t o 51,999 52,000 t o 56,999 57,000 t o 61,999 62,000 t o 66,999 c. Based on the frequency distribution, do the data appear to be symmetric or skewed? The data appear to be . d. What percentage of these states had an estimated median household income of $52,000 or more? Round your answer to one decimal place. *19% states had an estimated median household income of $52,000 or more. of these Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer Answer *1: exact number, no tolerance *2: exact number, no tolerance *3: exact number, no tolerance *4: exact number, no tolerance *5: exact number, no tolerance *6: exact number, no tolerance *7: the tolerance is +/-2% *8: the tolerance is +/-2% *9: the tolerance is +/-2% *10: the tolerance is +/-2% *11: the tolerance is +/-2% *12: the tolerance is +/-2% *13: the tolerance is +/-2% *14: the tolerance is +/-2% *15: the tolerance is +/-2% *16: the tolerance is +/-2% *17: the tolerance is +/-2% *18: the tolerance is +/-2% *19: the tolerance is +/-2%