In the top row of an chessboard, tom writes the values 1, 2, 4, 8, 16, 32, 64, 128. in the leftmost column, tom writes the values 1, 3, 9, 27, 81, 243, 729, 2187. in every other square that doesn't have a number yet, tom writes the product of the leftmost number in that square's row and the topmost number in that square's column. what is the sum of all the numbers on the chessboard?

Apoll is being conducted at a mall nothingto obtain a sample of the population of an entire country. what is the frame for this type of​ sampling? who would be excluded from the survey and how might this affect the results of the​ survey? what is the frame for this type of​ sampling? a. the frame is people who need new clothes. b. the frame is people who shop at the mall. c. the frame is people who like to shop. d. the frame is the entire population of the country. who would be excluded from the survey and how might this affect the results of the​ survey? a. any person that does not need new clothes is excluded. this could result in sampling bias due to undercoverage. b. any person who does not shop at the mall is excluded. this could result in sampling bias due to undercoverage. c. any person who does not shop at the mall is excluded. this could result in nonresponse bias due to people not participating in the poll. d. there is nobody that is being excluded from the survey.