Type of study Guides 1a 1b 2a 2b 3a 3b 4a 4b Angles 400 500 400 500 400 500 400
ID: 3438395 • Letter: T
Question
Type of study Guides
1a
1b
2a
2b
3a
3b
4a
4b
Angles
400
500
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400
500
proofs
1200
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triangles
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Using the contingency table for the problems.
A) The total sale amounts for each entire marking period (start, end) is a population.
B)A= 0.05
c) µ= Mar Per (Start/End) Sales Total
1. Do a rank correlation, tell us how the realuts affect the sales prections
Ho: ps= 0
H1: ps 0
Type of study Guides
1a
1b
2a
2b
3a
3b
4a
4b
Angles
400
500
400
500
400
500
400
500
proofs
1200
1500
1200
1500
1200
1500
1200
1500
triangles
400
500
400
500
400
500
400
500
Explanation / Answer
use EXCEL to calculate the corealtion value
It is important to realize that statistical significance does not indicate the strength of the Spearman rank-order correlation. In fact, the statistical significance testing of the Spearman correlation does not provide you with any information about the strength of the relationship. Thus, achieving a value of p = 0.001, for example, does not mean that the relationship is stronger than if you achieved a value of p = 0.04. This is because the significance test is investigating whether you can reject or fail to reject the null hypothesis. If you set = 0.05, achieving a statistically significant Spearman rank-order correlation means that you can be sure that there is less than a 5% chance that the strength of the relationship you found (your rho coefficient) happened by chance if the null hypothesis were true.
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