Answer the following MCQs - 21)Dataframes are a special kind of Select one: a. List b. Factors c. Vectors d. Arrays

22)In the formula, which symbol specifies the fixed columns or rows? Select one: a. % b. * c. $ d. &

23)Which statement best describes the What-if Analysis Scenario Manager? Select one: a. Allows to see results of multiple inputs in the same formula and to get respective outputs. b. Allows to define input variables in various situations. The output result for each situation is show in a summary table. c. Allows to define output results and then shows what input values are needed to generate that result.

24)Which statement best describes What-if Analysis Data Table? Select one: a. Allows to define input variables in various situations. The output result for each situation is show in a summary table. b. Allows to define output results and then shows what input values are needed to generate that result. c. Allows to see results of multiple inputs in the same formula and to get respective outputs.

Tick the correct answer only no need to explain...