A grocery store is interested in how much money, on average, their customers spend each visit in the produce department. Using their store records, they draw a random group of 1,000 visits and calculate each customer's average spending on produce. 1. The data set for this problem is a: population sample 2. What kind of data is "amount of money spent on produce per visit"? categorical quantitative 3. The study finds that the mean amount spent on produce per visit by the customers in the sample is $92.84. This is an example of a: parameter statistic 4. Every seventh customer entering a shopping mall is asked to select his or her best shop. The sampling technique used is: A. Random B. Systematic C. Stratified D. Cluster 5. News coverage includes exit polls from all voters in each of 8 randomly selected election precincts. The sampling technique used is: A. Random B. Systematic Sampling C. Stratified D, Cluster 6, Classifying each child in a day care center as infant, toddler, or preschool is an example of: A. A categorical variable B. A quantitative variable