a)
Interpretation : The accuracy and precision of the basketball free-throw shooters are to be commented on.
Concept Introduction : Accuracy refers to how closely the value being measured matches the actual or true value in a measurement. Precision is a measurement of how well two measurements match one another, regardless of the actual value.
a)
Answer to Problem 80A
As 99 of the shots are made out of 100, the shooter is accurate.
The shooter is precise as the desired shot was made.
Explanation of Solution
Accuracy refers to how closely the value being measured matches the actual or true value in a measurement.
Precision is a measurement of how well two measurements match one another, regardless of the actual value.
As 99 of the shots are made out of 100, the shooter is accurate.
The shooter is precise as the desired shot was made.
b)
Interpretation : The accuracy and precision of the basketball free-throw shooters are to be commented on.
Concept Introduction : Accuracy refers to how closely the value being measured matches the actual or true value in a measurement. Precision is a measurement of how well two measurements match one another, regardless of the actual value.
b)
Answer to Problem 80A
As 99 of the shots are made out of 100, the shooter is accurate.
The shooter is not precise because the shot does not reach the desired place.
Explanation of Solution
Accuracy refers to how closely the value being measured matches the actual or true value in a measurement.
Precision is a measurement of how well two measurements match one another, regardless of the actual value.
As 99 of the shots are made out of 100, the shooter is accurate.
The shooter is not precise because the shot does not reach the desired place rather it has bounced off.
c)
Interpretation : The accuracy and precision of the basketball free-throw shooters are to be commented on.
Concept Introduction : Accuracy refers to how closely the value being measured matches the actual or true value in a measurement. Precision is a measurement of how well two measurements match one another, regardless of the actual value.
c)
Answer to Problem 80A
As only 33 of the shots are made out of 100, the shooter is not accurate.
The shooter is not precise because only a minority of the shots are made and hit the desired place while the remaining are missed.
Explanation of Solution
Accuracy refers to how closely the value being measured matches the actual or true value in a measurement. Precision is a measurement of how well two measurements match one another, regardless of the actual value.
As only 33 of the shots are made out of 100, the shooter is not accurate. The remaining shots are missed which will be the majority.
The shooter is not precise because only a minority of the shots are made and hit the desired place while the remaining are missed.
Chapter 3 Solutions
Chemistry 2012 Student Edition (hard Cover) Grade 11
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