Find and interpret the mean absolute deviation of the data. 1/4 5/8 3/8 3/4 1/2

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours