You are interested in the weights of backpacks students carry to class and decid
ID: 3306110 • Letter: Y
Question
You are interested in the weights of backpacks students carry to class and decide to conduct a study using the backpacks carried by 30 students.
(a) Give some instructions for weighing the backpacks. Include unit of measure, accuracy of measure, and type of scale.
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(b) Do you think each student asked will allow you to weigh his or her backpack?
No, no student will allow me to weigh his or her backpack. Yes, all students will allow me to weigh his or her backpack. Some students may refuse to allow the weighing.
(c) Do you think telling students ahead of time that you are going to weigh their backpacks will make a difference in the weights?
Informing students before class may cause students to remove items before class. Informing students before class may cause students to refuse the weighing. Informing students before class will not cause students to act differently.
Explanation / Answer
Answer:
You are interested in the weights of backpacks students carry to class and decide to conduct a study using the backpacks carried by 30 students.
This answer has not been graded yet.
( measurement unit is in Kg and in accuracy in grams. Scale of measurement is ratio).
(b) Do you think each student asked will allow you to weigh his or her backpack?
No, no student will allow me to weigh his or her backpack.
Yes, all students will allow me to weigh his or her backpack.
Answer: Some students may refuse to allow the weighing.
(c) Do you think telling students ahead of time that you are going to weigh their backpacks will make a difference in the weights?
Answer: Informing students before class may cause students to remove items before class.
Informing students before class may cause students to refuse the weighing.
Informing students before class will not cause students to act differently.
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