Question

Class Activity 150 Can More Than Half Be Above Average?! Det 000 00000 000000 On 00000 poo Dotplot 2 ood- boooo WD0000 - Doooo Do 1 2 5 6 7 8 9 10 1. For each of the dot plots shown, decide which is greater the median or the mean of the data Explain how you can tell without calculating the mean 2 A teacher gives a test to a class of 20 students. a. Is it possible that 90% of the class scores above average? If so, give an example of test scores for which this is the case. If not explain why not. b. Is it possible that 90% of the class scores below average? If so, give an example of test scores for which this is the case. If not, explain why not 3. A radio program describes a fictional town in which all the children are above average." In what sense is it possible that all the children are above average? In what sense is it not possible that all the children are above average?