In a survey, the following data was collected. □ Among 5000 teenagers who wear jeans, o 3000 play on-line games o 3750 eat chips o 2000 both play on-line games and eat chips □ Among another 5000 teenagers who do not wear jeans, o 3000 play on-line games o 4000 eat chips o 2250 both play on-line games and eat chips a) List ALL strong association rules having the form {item1, item2＝>eat chips} with support=>20% and confidence=>50%.

In a survey, the following data was collected.□ Among 5000 teenagers who wear jeans,o 3000 play on-line gameso 3750 eat chipso 2000 both play on-line games and eat chips□ Among another 5000 teenagers who do not wear jeans,o 3000 play on-line gameso 4000 eat chipso 2250 both play on-line games and eat chipsa) List ALL strong association rules having the form {item1, item2eat chips} with support15% and confidence50%.b) Compute the interest (lift ratio) of the strong association rules found in part (a).

The marketers at Fun 'n Games, Inc., want to determine who will most likely buy their new board game. To do this, they conduct ______ by having children and adults of various ages play the game and then giving them a questionnaire that assesses how much they enjoyed playing it. Through this process, Fun 'n Games determines that adults and children age 12 and up are the ______ that will make up their target market. Multiple choice question.research; customer segmentsmarketing; consumer advocatespromotions; demographic consumerspublic relations; marketing groups

25% of a random sample of 300 professional golfers indicate that their parents did not play golf. Based on this sample, we estimate that 25% of the parents of all professional golfers do not play golf. This is an example of statistical inference.Group of answer choicesTrueFalse PreviousNext

Based on survey results, the proportion of U.S. adults who own at least one Apple product (iphone, ipad, macbook, etc) is 0.42. This point estimate would be unbiased and most accurate if the survey were based on which of the following? A random sample of 1,000 U.S. adults A random sample of 1,800 U.S. adults A random sample of 2,500 U.S. college students An internet survey posted on TechGuru.com with 3,100 responses

A researcher is collecting data on the preferences for different smartphone brands among a group of participants. What level of measurement is most appropriate for this data?