____ was developed as an improvement to DES and uses as many as three keys in succession.

What trends and/or analysis lead you to your recommendation?

What will be an ideal response?

Match the following terms to their meanings:

I. Statistical function II. Logical function III. Lookup function IV. Nested function V. Array formula A. used to describe a collection of data such as totals, counts, and averages B. used to find values that are stored in lookup tables C. a function that is placed inside another function D. can perform calculations across multiple items E. used to create formulas that test whether a condition is true or false