For the following Chi-square table, how many degrees of freedom should be used when calculating the p-value? Gender Phenotype O E O-E (O-E)2 (O-E)2/E Male Disease 99 101.5 -2.5 6.25 0.061576 WT 105 101.5 3.5 12.25 0.12096 Female Disease 0 0 0 0 0 WT 202 203 -1 1 0.004926 Total 406 406 19.5 0.187192 You do not need to know the degrees of freedom to calculate the p-value. a. 4 b. 5 c. 2 d. 3
For the following Chi-square table, how many degrees of freedom should be used when calculating the p-value? Gender Phenotype O E O-E (O-E)2 (O-E)2/E Male Disease 99 101.5 -2.5 6.25 0.061576 WT 105 101.5 3.5 12.25 0.12096 Female Disease 0 0 0 0 0 WT 202 203 -1 1 0.004926 Total 406 406 19.5 0.187192 You do not need to know the degrees of freedom to calculate the p-value. a. 4 b. 5 c. 2 d. 3
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For the following Chi-square table, how many degrees of freedom should be used when calculating the p-value?
Gender |
|
O |
E |
O-E |
(O-E)2 |
(O-E)2/E |
Male |
Disease |
99 |
101.5 |
-2.5 |
6.25 |
0.061576 |
|
WT |
105 |
101.5 |
3.5 |
12.25 |
0.12096 |
Female |
Disease |
0 |
0 |
0 |
0 |
0 |
|
WT |
202 |
203 |
-1 |
1 |
0.004926 |
|
Total |
406 |
406 |
|
19.5 |
0.187192 |
You do not need to know the degrees of freedom to calculate the p-value.
a. 4
b. 5
c. 2
d. 3
Expert Solution
Step 1
In statistics degree of freedom is defined as the set of independent variables or quantities to which a statistical distribution may be ascribed. It is frequently mentioned in statistics in connection to various types of hypothesis testing, such as the chi-square test.
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