Consumer Reports rated automobile insurance companies and gave annual premiums for top-rated companies in several states. The figure below shows box plots for annual premiums for urban customers (married couple with one 17-year-old son) in three states. The box plots were all drawn using the same scale on a TI-84Plus/TI-83Plus calculator. ☐ Texas Pennsylvania California (a) Which state has the lowest premium? O Texas Pennsylvania O California Which state has the highest premium? O Texas Pennsylvania O California (b) Which state has the highest median premium? Texas Pennsylvania O California (c) Which state has the smallest range of premiums? O Texas O Pennsylvania O California Which state has the smallest interquartile range? O Texas O Pennsylvanial O California (d) The five-number summaries generated on the TI-84 Plus/TI-83Plus calculators for the box plots are given below. Five-Number Summaries for Insurance Premiums Summary (1): Summary (II): Summary (iii): 1-Var Stats ↑n=10 minX=2382 Q1=2758 Med 2991 03-3652 maxX-5715 1-Var Stats ↑n=10 minX-3314 Q1=4326 Med=5116.5 03-5801 maxX=7527 1-Var Stats ↑n=10 minX=2323 Q1=2801 Med=3377.5 Q3-3966 maxX=4482 Match the five-number summaries to the appropriate box plots. The five-number summary for Texas is summary ---Select- . The five-number summary for Pennsylvania is summary --Select--- The five-number summary for California is summary -Select- V

The International League of Triple-A minor league baseball consists of 14 teams organized into three divisions: North, South, and West. Suppose the following data show the average attendance for the 14 teams in the International League. Also shown are the teams' records; W denotes the number of games won, L denotes the number of games lost, and PCT is the proportion of games played that were won. Team Name Buffalo Bisons Lehigh Valley IronPigs Pawtucket Red Sox Rochester Red Wings Scranton-Wilkes Barre Yankees Syracuse Chiefs Charlotte Knights Durham Bulls Norfolk Tides Richmond Braves Columbus Clippers Indianapolis Indians Louisville Bats Toledo Mud Hens Division North North North North North North South South South West West West WL West 66 77 0.462 55 89 0.382 85 58 South 63 78 0.447 PCT 88 56 74 70 0.514 69 73 0.594 0.611 0.486 69 73 74 70 0.514 64 78 0.451 63 78 0.447 0.486 68 76 0.472 88 56 0.611 75 69 0.521 Attendance 8,819 8,478 9,099 6,917 7,141 5,769 4,525 6,998 6,284 4,451…

2. A real estate expert wanted to find the relationship between the sale price of houses and various characteristics of the houses. He collected data on five variables, recorded in the table, for 12 houses that were sold recently. The five variables are: Sale price of a house in thousands of dollars. Size of the lot in acres. Price: Lot Size: Living Area: Living area in square feet. Age: Type of house: town house (T) or Villa (V) Age of a house in years. Price Lot Size Living Area Age Туре of house 255 1.4 2500 8 T 178 0.9 2250 12 T T. T. T. 263 1.8 2900 5 0.7 2.6 127 1800 24 305 3200 10 164 1.2 2400 18 245 2.1 2700 T V 146 1.1 2050 28 287 2.8 2850 13 V 189 1.6 2600 9 211 1.7 2300 8 V 123 0.5 1700 11 V a) Find the regression equation for the town house b) Find the regression equation for the Villa c) What is the price of a town house with a lot size of 1.3, living area of 1800, and is 7 years old? EBBBBE A> >}>l> >{

In marketing children’s products, it is extremely important to produce television commercials that hold the attention of the children who view them. A psychologist hired by a marketing research firm wants to determine whether differences in attention span exist among advertisements for different types of products. A number of children under 10 years of age are asked to watch one 60-second commercial for one of three types of products, and their attention spans are measured in seconds. The results are shown in the accompanying table:   Type of Product Advertised Toys/Games Food/Candy Children’s Clothing 42 55 30 45 58 35 48 52 42 40 60 32 50 57 38 b). What type of error is possible and describe this error in terms of the problem.