ella's town has a pool for older kids to swim and a small wading pool for parents to bring smaller children to play. after a cold rainfall, the older kids jumped right back into the larger pool . but all of the parents bought their smaller children home because the water was too cold. how could ella model this are for her classmates?

a.) place a larger container of warm water next to a small container of cold water.
b.) add a small amount of cold water to both a large and small container of warm water.
c.) add several ice cubes to a large container of water and one ice cube to a smaller container.
d.) place models of older kids in a large container of water and models of smaller children in a smaller container of water.

An annual marathon covers a route that has a distance of approximately 26 miles. winning times for this marathon are all over 2 hours. the following data are the minutes over 2 hours for the winning male runners over two periods of 20 years each. earlier period 14 12 15 22 13 10 19 13 9 14 20 18 16 20 23 12 18 17 6 13 recent period 7 11 7 14 8 9 11 14 8 7 9 8 7 9 9 9 9 8 10 8 (a) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the earlier period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks. for more details, view how to split a stem.) minutes beyond 2 hours earlier period 0 1 2 (b) make a stem-and-leaf display for the minutes over 2 hours of the winning times for the recent period. use two lines per stem. (use the tens digit as the stem and the ones digit as the leaf. enter none in any unused answer blanks.) minutes beyond 2 hours recent period (c) compare the two distributions. how many times under 15 minutes are in each distribution