What is a conditional? When does one need to use one? Give an example using pseudo-code

An environmental protection agency study of 12 automobiles revealed a correlation of 0.47 between engine size and emissions. at 0.01 significance level, can we conclude that there is a positive association between the variables? what is the p value? interpret.

If you combine two cells into one, what action are you performing? a.  adding a new row or column      b.  splitting the cells      c.  removing a new row or column      d.  merging the cells

If you want to delete an entire word at a time, which key should you press along with the backspace or delete key?