Maci is a social networking maniac! Although she prefers Instagram, she also spends a lot of time using Twitter, Pinterest, and Facebook. She is curious as to which social networking site is the most preferred for her age group, so she decides to conduct a study. Maci creates a survey to hand out to other students at her school. She plans to collect data from this survey and analyze the results to help her decide which social networking site is the most preferred. What is the variable of interest in this study?     Maci     survey     social media sites     the students

You want to find out the top three food items sold in your school cafeteria. Select the best way to generate a list of this data. Survey the students in your math class. Gather data about the number of sales of each food item from the cashier. Interview all the teachers about what they consider to be the top food item. Ask 10% of the students in each grade to tell you their choice for the top food item.

A recent study examined the drinking behaviors of undergraduate college students (male and female freshmen). Each participant was asked how many alcoholic beverages they consumed during the past 7 days. The researchers wish to determine if there is a difference in the drinking habits of males and females in this age group. A recent study examined the drinking behaviors of undergraduate college students (male and female freshmen). Each participant was asked how many alcoholic beverages they consumed during the past 7 days. The researchers wish to determine if there is a difference in the drinking habits of male and females in this age group.  Female Male 9 13 5 9 5 7 9 11 8 10 3 5 5 6 2 10 1 16 7 12 Which type of test will you run? What is the independent variable? What is the dependent variable?

MarkLines is an online portal (www.marklines.com) that reports automotive industry data. The table below shows the number of cars sold in the United States from January to November in 2017 and 2018. The top 22 manufacturers, plus others, are listed here. Sales data often is reported in this way to compare current sales to last year’s sales.     Car Sales Manufacturer Jan.-Nov.2017 Jan.-Nov.2018 GM (Est.) 2,691,493 2,654,568 Ford 2,334,290 2,265,590 Toyota 2,211,533 2,205,762 Fiat Chrysler 1,887,430 2,038,684 Honda 1,492,112 1,449,713 Nissan 1,455,238 1,345,157 Hyundai 621,961 612,225 Subaru 584,614 615,594 Kia 546,629 542,245 Mercedes (includes Sprinter) 332,990 318,012 BMW 271,432 276,657 VW 309,395 322,017 Mazda 262,577 274,455 Audi 199,534 200,558 Tesla (Est.) 40,320 106,050 Land Rover 66,759 81,526 Volvo 71828 89437 Mitsubishi 95,185 109,088 Porsche 51,507 53,116 MINI 42,494 40,887 Jaguar 36,180 27,021 Others 18,901 17,251 smart…