Answered: в н 711- Standard ID mg N per L Abs…

Name: Assuming the two sites are hydrologically well connected, the transit
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Description: Assuming the two sites are hydrologically well connected, the transit time between the two sites is fast, and the two sites cannot be treated as independent samples, what kind of t-test should be performed to show that the upslope site is greater tha

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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Assuming the two sites are hydrologically well connected, the transit time between the two sites is fast, and the two sites cannot be treated as independent samples, what kind of t-test should be performed to show that the upslope site is greater than the downslope site? Enter the letter of your answer choice in the answer blank

A. one-tailed unpaired t-test
B. two-tailed unpaired t-test
C. one-tailed paired t-test
D. two-tailed paired t-test

What is the calculated t statistic, rounded to 4 decimal places?

Is the calculated t statistic greater or less than the critical t value reported by the data analysis tool pack? (enter greater or less)

Is the nitrate concentration at the upslope site significantly greater than the downslope site? (Enteryes or no)

Based on this statistical result, and assuming no diffusion or dilution occurs between the upslope and downslope site, do you think microbes are removing NO₃^- from the ground water? (Enter yes or no)

в
н
711-
Standard ID
mg N per L
Abs
Sample ID
Upslope Absorbance
Dilution
mg N/L Upslope
Downslope Absorbance
Dillution
mg N/L Downslope
3
Std 0
0.5
0.01
0.2
0.5
Std 0.1
0.1
0.5
0.251
4
0.1
0.12
0.01
0.5
Std 0.2
0.2
0.225
3
0.395
0.01
0.951
Std 0.4
0.4
0.432
4
0.332
0.1
0.2
Std 0.6
0.6
0.585
0.551
0.01
0.149
6.
0.556
0.01
0.2
0.5
0.359
0.02
0.251
10
0.331
0.01
0.2
11
0.363
0.01
0.951
0.5
12
10
0.244
0.02
0.159
13
11
0.375
0.01
0.2
0.5
14
12
0.5
0.02
0.143
0.5
15
13
0.541
0.1
0.317
16
14
0.669
0.01
0.563
17
15
0.328
0.1
0.925
0.5
18
16
0.417
0.01
0.563
19
17
0.449
0.02
0.653
20
18
0.5
0.01
0.915
0.5
21
19
0.642
0.1
0.167
22
20
0.5
0.01
0.148
23
21
0.243
0.1
0.851
0.5
24
22
0.375
0.01
0.536
0.5
0.5
25
23
0.5
0.02
0.941
26
24
0.868
0.1
0.159
0.5
27
25
0.119
0.01
0.897
0.5
28
26
0.459
0.01
0.316
0.5
29
27
0.532
0.02
0.313
0.5
0.5
30
28
0.686
0.01
0.458
31
29
0.5
0.02
0.331
0.5
32
30
0.206
0.01
0.797

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