A student conducted an experiment to find out how temperature affects air in a balloon. He drew a line around the center of the balloon and measured the length around the balloon. According to the chart , what conclusion can you make about how temperature affects he air in the balloon?

Asociologist chose 300 students at random from each of two schools and asked each student how many siblings he or she has . the result are shown in the table below. there are a total of 2,400 students at lincoln school and 3,300 students at washington school .what is the median number of siblings for all the students surveyed ? a)0b)1c)2d)3