B. Four analysts carry out replicate sets of determinations of mercury (Hg) on the same analytical sample. Theresults in ppb Hg are shown belowDeterminationAnalyst 1Analyst 2Analyst 3Analyst 4110.2410.1410.1910.19210.2610.1210.1110.15310.2910.0410.1510.16410.2310.0710.1210.10(a) State the appropriate hypothesis(b) Do the the analysts differ at the 95% confidence interval? At the 99% confidence level (Fcrit = 5.95)? At the99.9% confidence interval (Ferit = 10.80)?(c) Which analysts, differ from each other at the 95% confidence level?

Anova is used to determine the mean significance difference between more than two groups. It is a…

Answered: B. Four analysts carry out replicate…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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50. Determine if there is a significant correlation between the sets of data at a 10% significance level. x 59 47 30 27 59 24 55 21 54 y 34 33 52 50 41 29 33 58 35 Negative Critical Value, tcrit = [three decimal accuracy] Positive Critical Value, tcrit = [three decimal accuracy] Test Statistic, ttest = [three decimal accuracy] Test Conclusion: Fail to Reject H0H0. There is not enough evidence to suggest a significant (positive or negative) linear correlation between the data sets. Reject H0H0. There is enough evidence to suggest a significant (positive or negative) linear correlation between the data sets.
You wish to test the following claim (HaHa) at a significance level of α=0.01α=0.01. Ho:μ1=μ2Ho:μ1=μ2 Ha:μ1≠μ2Ha:μ1≠μ2You obtain the following two samples of data. Sample #1 Sample #2 65.8 77.7 105.1 78.6 89.2 69.1 96.7 91.3 105.9 87.5 70.5 93.9 83.4 88.3 79.5 66.7 83.4 91.7 106.7 73 75.7 98.7 76.7 80 53.2 92.1 93 78.2 72.4 79.1 82.1 74.1 78.2 85.5 85.9 99.3 84.2 104.3 88.3 107.6 63.8 99.8 97.7 86.3 74.9 72.7 77.5 93.9 76.1 77.1 81.9 74.1 73.6 78.7 81.9 78.9 81.1 88 85.8 75.3 74.3 77.5 69.1 75.5 72.9 80.1 84.3 73.1 67.3 72.2 76.1 67.8 74.9 67.3 74.7 70.1 65.4 76.9 83.8 79.7 72.9 81.7 74.1 68.2 65.4 80.9 69.4 79.5 96 77.5 77.1 75.9 68.7 What is the test statistic for this sample? (Report answer accurate to three decimal places.)test statistic = What is the p-value for this sample? For this calculation, use the degrees of freedom reported from the technology you are using. (Report answer accurate to four…
2
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B. Four analysts carry out replicate sets of determinations of mercury (Hg) on the same analytical sample. The results in ppb Hg are shown below Determination Analyst 1 Analyst 2 Analyst 3 Analyst 4 1 10.24 10.14 10.19 10.19 2 10.26 10.12 10.11 10.15 3 10.29 10.04 10.15 10.16 4 10.23 10.07 10.12 10.10 (a) State the appropriate hypothesis (b) Do the the analysts differ at the 95% confidence interval? At the 99% confidence level (Fcrit = 5.95)? At the 99.9% confidence interval (Fcrit = 10.80)? (c) Which analysts, differ from each other at the 95% confidence level?
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