the median teaching year for high school a is any value with 100 data values at or below it and 100 data values at or above it. the median teaching year for high school b is the 111th value in the ordered list of values. for high school a the median is in the interval that starts at 7 and ends just before 10, because there are only 94 data values below 7 and 106 data values of at least 7. therefore the median cannot be less than 7. for high school b the median is in the interval that starts at 4 and ends just before 7 because there are more than half (113) of the data values less than 7. therefore the median must be less than 7. so h