Doesn't need explanation only answer in abcd format.

In MS-Excel to protect a worksheet, you can choose Protection and the Protect Sheet from the

-menu

Select one

a. Edit

b. Format

C. All of the mentioned

d. Tools

merge AB axTRUE)

Select one

a. 80

b. 12

C 46

d 34

Which of the following is an advantage of Excel over R based analysis?

Select one:

a. Complex data structures

b. Customized Visualization

C. Free Software

d. Minimal learning curve

Which of the following indicator is used to mention missing values in R?

Select one:

a. NA

b. VOID

C. NULL

d. BLANK