Mathematics, 21.04.2021 18:00, talia43
Ten sixth-grade students in five different countries—United States, Australia, South Africa, Canada, and New Zealand—were asked about their travel times to school. Their responses were organized into five data sets. The mean and MAD of each data set are shown in the table.
1. Which group of students has the greatest variability in their travel times?
2. The mean of the data set for New Zealand is close to that of Canada. What does this tell us about the travel times of students in those two data sets?
3. The MAD of the data set for New Zealand is quite different than that of Canada. What does this tell us about the travel times of students in those two data sets?
Mean MAD
United States: 9 4.2
Australia: 18.1 7.9
South Africa: 23.5 16.2
Canada: 11 8
New Zealand: 12.3 5.5
Answers: 3
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 15:40, sheabenitez305
Jonathan pays $1.90 per pound for potatoes. he buys 8.3 pounds of potatoes. he determines that he will pay $15.77, before tax, for the potatoes. which best describes the reasonableness of jonathan’s solution? jonathan’s answer is reasonable because there are two decimal places in the factors and two in the product. jonathan’s answer is unreasonable because there are three decimal places in the factors and two in the product. jonathan’s answer is reasonable because is 16, and 16 is close to 15.77. jonathan’s answer is unreasonable because is 8, and 8 is not very close to 15.77.
Answers: 1
Mathematics, 21.06.2019 18:00, leysirivera23ovez6n
The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?
Answers: 1
Do you know the correct answer?
Ten sixth-grade students in five different countries—United States, Australia, South Africa, Canada,...
Questions in other subjects:
Chemistry, 24.10.2021 01:00
Chemistry, 24.10.2021 01:00
Social Studies, 24.10.2021 01:00
SAT, 24.10.2021 01:00
