Chapter 20: (Mini) Data Mining: An Introduction to Getting the Most Out of Your BIG Data Test Bank MULTIPLE CHOICE These days, information is measured in _, or about quintillion bytes a Megabytes b Exabytes c Kilobytes d Gigabytes ANS: B PTS: DIF: Easy REF: An Introduction to Getting the Most Out of Your BIG Data OBJ: What is data mining all about? COG: Knowledge Looking for patterns in a large data sets is also referred to as _ a Data mining b Data uncovering c Data cleaning d Data questing ANS: A PTS: DIF: Easy REF: An Introduction to Getting the Most Out of Your BIG Data OBJ: What is data mining all about? COG: Knowledge If you created cross-tabulation tables, your tables would summarize _ data a Reliable b Ratio c Categorical d Ordinal ANS: C PTS: OBJ: What is data mining all about? DIF: Easy REF: Creating a Pivot Table COG: Comprehension A pivot table will allow you to visualize and manipulate rows and columns, as well as the _ of cells a Relevance b Reliability values c Validity figures d Contents ANS: D PTS: OBJ: What is data mining all about? DIF: Medium COG: Knowledge REF: Creating a Pivot Table TRUE/FALSE DAVERAGE is an Excel function that computes the average within a specified field in which certain conditions are met ANS: T PTS: OBJ: What is data mining all about? DIF: Medium COG: Knowledge REF: What DAVERAGE Does COUNTIF is an Excel function that counts the number of cells on a range of cells that meet no criteria ANS: F PTS: OBJ: What is data mining all about? DIF: Medium REF: What COUNTIF Does COG: Comprehension SHORT ANSWER What is an example of a research situation in which you would use data-mining techniques? ANS: Example: I would like to find social media posting patterns of 500,000 social media users PTS: DIF: Medium OBJ: What is data mining all about? REF: Creating a Pivot Table COG: Application