Chad drove 168 miles in 3 hours. how many miles per hour did chad drive? chad will drive 672 more miles. he continues to drive at the same rate. how many hours will it take chad to drive the 672 miles? chad stopped and filled the car with 11 gallons of gas. he had driven 308 miles using the previous 11 gallons of gas. how many miles per gallon did chad cars get? chad's car continues to get the same number of miles per gallon. how many gallons of gas will chads car use to travel 672 miles?

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.