Four research teams measured the density of a new alloy, and what each team wrote in its team notebook is shown in the table below. Suppose a later and more reliable measurement gives 10.7 g cm³ for the density of the same alloy. Decide which of the earlier measurements was the most accurate, and which was the most precise. team A B C D what was written in the notebook *8.7g/cm³ "9.7g/cm² ± 0.2g cm² 10.9g/cm² ± 9.0% "between 11.2g/cm² and 12.2g cm²³- most accurate most precise measurement measurement O O O 0 000 X 5
Four research teams measured the density of a new alloy, and what each team wrote in its team notebook is shown in the table below. Suppose a later and more reliable measurement gives 10.7 g cm³ for the density of the same alloy. Decide which of the earlier measurements was the most accurate, and which was the most precise. team A B C D what was written in the notebook *8.7g/cm³ "9.7g/cm² ± 0.2g cm² 10.9g/cm² ± 9.0% "between 11.2g/cm² and 12.2g cm²³- most accurate most precise measurement measurement O O O 0 000 X 5
Chapter1: Chemical Foundations
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Problem 113CP: On October 21, 1982, the Bureau of the Mint changed the composition of pennies (see Exercise 120)....
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![Four research teams measured the density of a new alloy, and what each team wrote in its team notebook is shown in the table below.
Suppose a later and more reliable measurement gives 10.7 g cm³ for the density of the same alloy. Decide which of the earlier measurements was the most
accurate, and which was the most precise.
team
A
B
C
D
what was written
in the notebook
*8.7g/cm³
9.7g/cm² ± 0.2g cm²
10.9 cm² ±9.0%
"between 11.2g cm² and 12.2g cm³-
most accurate most precise
measurement
measurement
O
O
O
0
000
O
X
5
E](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F5b16b9bb-7af5-4cc0-b9e8-1ede0c36c592%2Fa74602d2-9e5c-4b44-9d12-49ed37272b83%2Fyd24xz_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Four research teams measured the density of a new alloy, and what each team wrote in its team notebook is shown in the table below.
Suppose a later and more reliable measurement gives 10.7 g cm³ for the density of the same alloy. Decide which of the earlier measurements was the most
accurate, and which was the most precise.
team
A
B
C
D
what was written
in the notebook
*8.7g/cm³
9.7g/cm² ± 0.2g cm²
10.9 cm² ±9.0%
"between 11.2g cm² and 12.2g cm³-
most accurate most precise
measurement
measurement
O
O
O
0
000
O
X
5
E
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