s the difference between indicators B and C significant at the 95% confidence level? Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators B and C are significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table. Fea calc= Ftable =
s the difference between indicators B and C significant at the 95% confidence level? Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators B and C are significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table. Fea calc= Ftable =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
Related questions
Question
![Is the difference between indicators B and C significant at the 95% confidence level?
Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators B and C are
significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table.
Fcalc =
Ftable =](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fd574dc-13b6-465a-8f4d-a9d3367cc949%2Fa3301d01-53c1-4ed5-abc8-fc6dc738a77e%2Fq7aoq3_processed.png&w=3840&q=75)
Transcribed Image Text:Is the difference between indicators B and C significant at the 95% confidence level?
Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators B and C are
significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table.
Fcalc =
Ftable =
![Students measured the concentration of HCl in a solution by titrating with different indicators to find the end point.
Fcalc
Indicator
A. Bromothymol blue
B. Methyl red
=
Mean HCl concentration (M) (± standard deviation)
0.09565 +0.00225
0.08686 ± 0.00098
Number of measurements
C. Bromocresol green
SOURCE: Data from D. T. Harvey, "Statistical Evaluation of Acid-Base Indicators," J. Chem. Ed. 1991, 68, 329.
Is the difference between indicators A and B significant at the 95% confidence level?
Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators A and B are
significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table.
0.08641±0.00113
28
18
29](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7fd574dc-13b6-465a-8f4d-a9d3367cc949%2Fa3301d01-53c1-4ed5-abc8-fc6dc738a77e%2Fxvhe6zi_processed.png&w=3840&q=75)
Transcribed Image Text:Students measured the concentration of HCl in a solution by titrating with different indicators to find the end point.
Fcalc
Indicator
A. Bromothymol blue
B. Methyl red
=
Mean HCl concentration (M) (± standard deviation)
0.09565 +0.00225
0.08686 ± 0.00098
Number of measurements
C. Bromocresol green
SOURCE: Data from D. T. Harvey, "Statistical Evaluation of Acid-Base Indicators," J. Chem. Ed. 1991, 68, 329.
Is the difference between indicators A and B significant at the 95% confidence level?
Use the F-test to determine whether the standard deviations of the HCl concentrations determined using indicators A and B are
significantly different at the 95% confidence level. Report the calculated F value and estimate the F value from the table.
0.08641±0.00113
28
18
29
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