In a television advertisement, a company called "Waist Away" claimed the workout program on their set of DVDs would help peopl
e lose weight more than any other DVD workout program. To test this claim, an independent company, called "Slim Down," selected one other DVD program. They then randomly assigned half the volunteers to the Waist Away program and the other half to the Slim Down program. Each participant was weighed before they started the program and then regularly participated in their assigned program for one month. After one month, each participant was weighed again. The percent of weight lost was recorded for each person, where negative values indicated a weight gain. What type of study was performed? called Slim Down," selected one other DVD program. They then randomly assigned half the month, each participant was weighed again. The percent of weight lost was recorded for ___________.a. anecdotal study b. sample c. observational study d. experiment
So 20:4000=1:200 and 50:10000=1:200 reverse 1lb:200ft^2 100ft^2=0.5lb needs to cover 26400ft^2 100 times 264=26400 so 0.5 lb times 264=132 lb needed for entire yard