Answered step by step
Verified Expert Solution
Question
1 Approved Answer
please explain why each one is correct Students researching backpack weights gathered data from 43 elementary school children in the 3rd and 5th grades. The
please explain why each one is correct
Students researching backpack weights gathered data from 43 elementary school children in the 3rd and 5th grades. The variable is percent of body weight carried in the school backpack. So a child who weighs 60 pounds and carries 9 pounds has a variable value of 15% (9 = 60 = 0.15 = 15%). The American Chiropractic Association (ACA) recommends that children carry no more than 10% of their body weight. % of body weight carried in backpack 0-5% Third graders Fifth graders 1 1 5-10% 6 6 10-15% 11 4 4 15-20% 3 7 20-25% 0 1 25-30% 0 N 2 0 1 30-35% Totals 21 22 Many students interpreted the data - mark their statements as True or False. Many students interpreted the data - mark their statements as True or False. [ Select] The typical range for third graders is between 0% and 20%. [ Select ] > The overall range for fifth graders is 5% to 20% [ Select ] About 66% of 3rd graders are over the ACA recommendation. [ Select ] The mean percentage for 5th graders is more than the mean percentage for 3rd graders. [ Select ] A 5th grader carrying 32% of their body weight would be typical. [ Select] 5th graders typically carry more weight than 3rd graders (relative to their bodyweight). [ Select ] The numbers for 5th graders are higher because they weigh more than 3rd graders
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started