Please explain and show all work. Thank you!

Using the receipts from a single week during this pandemic as their population, Himalayan Cuisine wants to determine the breakdown of how patrons are ordering food: Grubhub, DoorDash, their in-house delivery, or pick up. To find this information, they decide to randomly select 20 orders from each day of the week and evaluate what option the customer chose. What type of sampling method is being described here? A cluster sample O A census A simple random sample. O A stratified sample O A systematic sample In the following boxplot, it is found that the largest value group A should have been 70, rather than 80. Ages of Oscar Winning Actors from 1975 to 2004 A B 80 20 30 50 60 70 40 Age "A" denotes female actors. "B" denotes male actors. What impact would that have on the following measures? The mean would [ Select ] The median would [ Select ] The standard deviation would [ Select ] The IQR would [ Select ]