The titanium content of steel is determined in two laboratories by means of atomic absorption spectrometry. The following data were obtained: Lab 1 Lab 2 0.470 0.448 0.463 0.449 0.521 0.482 0.486 0.454 0.477 0.409 0.529 0.490 0.489 0.502 A. Determine the variance of the measurement data obtained in the two laboratories. B. Is there any significant difference between these variances?
The titanium content of steel is determined in two laboratories by means of atomic absorption spectrometry. The following data were obtained: Lab 1 Lab 2 0.470 0.448 0.463 0.449 0.521 0.482 0.486 0.454 0.477 0.409 0.529 0.490 0.489 0.502 A. Determine the variance of the measurement data obtained in the two laboratories. B. Is there any significant difference between these variances?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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![The titanium content of steel is determined in two laboratories by means of atomic absorption spectrometry.
The following data were obtained:
Lab 1
Lab 2
0.470
0.448
0.463
0.449
0.521
0.482
0.486
0.454
0.477
0.409
0.529
0.490
0.489
0.502
A. Determine the variance of the measurement data obtained in the two laboratories.
B. Is there any significant difference between these variances?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F054b4bdd-d6e7-4a95-a834-86793e366267%2F06705368-64ff-4467-9245-86355dbf57da%2F4ftik0l.jpeg&w=3840&q=75)
Transcribed Image Text:The titanium content of steel is determined in two laboratories by means of atomic absorption spectrometry.
The following data were obtained:
Lab 1
Lab 2
0.470
0.448
0.463
0.449
0.521
0.482
0.486
0.454
0.477
0.409
0.529
0.490
0.489
0.502
A. Determine the variance of the measurement data obtained in the two laboratories.
B. Is there any significant difference between these variances?
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