16. Which is Not a different type of data found in a variable? a. Character b. Integer c. Logical d. Circle variable 17. Which is not true about R? a. Designed for data analytics and statistic-heavy projects b. Designed for data exploration c. Offers built-in ways to professional1y visua11ze data d. Includes non-data analytics programers in the community 18. Which of the following is NOT a programing tanguage? a. R b. R atudio c. Python a. SoL wich of these is not a benefit of using R? a. Designed for data exploration b. Offers built in ways to visualize data c. Designed for general programming d. Works best for statistic heavy projects 20. Which variable type contains only two possible values? a. Dichotomous b. Logical c. Integer d. Numeric 21. Non-relational databases are usually grouped into four categories: key-value stores, document databases, wide-column stores, and a. Structured databases b. Unstructured databases G. Graph databases. d. Multi-model database