Mean, median, mode and range!

Can you help Zelda the Zoologist with her problem? Explain your calculations using full sentences please!!

Mean, median, mode and range

Can you solve the puzzle? What cards could I have? Write how you found your solution in full sentences using mathematical vocabulary please.

Instructions

I am attempting to put my new dishwasher together but have no idea what I am doing! Can anyone identify the imperative verbs or time connectives used? 

Example 

imperative verb = put