Make the answer short and number it

2 Thirty middle school students are asked if they have at least one sibling. The data collected are shown in the table. In which grade would you expect the fewest students to have a sister? Explain. Grade 6 |Grade 7 Sibling(s) Grade 8 Total 3 7 No Siblings 19 7 2 Total 11 10 11 9 30 3 A swimming pool manager is planning an activity for the Fourth of July. He surveys some of the kids at the pool to see what they would prefer. Cannonball Contest |Coin Dive |Relay Races Total 8-10 Years Old 8 46 11-13 Years Old 8 40 Total 22 33 31 86 a. Complete the table. b. Which activity should the manager choose? Explain. 4 Platon makes a two-way table that shows the Art Swimming Kickball Total favorite activities at a summer camp. He sorts the data for different age groups. Jordan says Platon 6-8 15 18 6 8 31 made an error. Do you agree with Jordan? Explain. 9-11 9 21 12 42 12-14 12 24 6 42 Total 36 63 26 125