You calculate that Ex = 110 and Ex2 = 1200. Perform the rest of the ANOVA calculations to determine the Within Groups degrees of freedom.
You calculate that Ex = 110 and Ex2 = 1200. Perform the rest of the ANOVA calculations to determine the Within Groups degrees of freedom.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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Question

Transcribed Image Text:Three different checkpoints in a water distribution system are tested for bacterial
contamination. Several randomly selected water samples from each location are used
to produce bacterial contamination scores on a scale from 1 and 20. Is the level of
contamination the same everywhere?
Location 1
Location 2
Location 3
13
14
11
5
15
6
11
9
8
Sum 48
32
30
The null hypothesis is that the bacterial contamination is the same at all three
locations. Your research hypothesis is that at least one location has a different mean
contamination score.
You calculate that Ex = 110 and Ex? = 1200. Perform the rest of the ANOVA
calculations to determine the Within Groups degrees of freedom.
8
6
3
7
2.

Transcribed Image Text:It is claimed that the mean household size in the River Terrace neighbourhood is 3.5
persons. A random sample of 25 households is taken.
What statistical method will you use to determine if this statement is correct?
Student's t-test
z-test
Chi-Square Test
O Fisher's Exact Test
Leader's 25 Ib test
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