Chi square critical value table
[DOC File]AP Biology - Ms. Corban
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Chi-square analysis can be used in any area, not just genetics. Whenever you have to determine if an expected ratio fits an observed ratio, you can use the Chi-square. Χ2 = Σ (O-E)2. E. Chi Square Significance Table. Degrees of Freedom (n) 5% Probability Value (P) 1 3.84 2 5.99 3 7.81 4 9.49 1.
[DOC File]AP Biology Lab 7
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2. Find the p value. Under the 1 df column, find the critical value in the probability (p) = 0.05 row; it is 3.84. What does this mean? If the calculated chi-square value is greater than or equal to the critical value from the table, then the null hypothesis is rejected.
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Critical Value of Test Statistic: With 7 degrees of freedom (i.e. when you have 10 cells), χ2. critical =14.07Decision result: The cells of the table below are arranged by z statistics so that the probability is 10% for each cell, i.e. 10% of the observations (8 observations) should be in each cell for the sample data to be perfectly normal.
[DOCX File]Collea's Corner - Home Page
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9.What happens if you get a Chi-Square HIGHER than your critical value? _____ 10. What happens if you get a Chi-Square . LOWER. than your critical value? ... than the critical value from the table? _____ (f) Do you . ACCEPT . or . REJECT . your null hypothesis? _____ What ...
[DOC File]The Chi-Square test for Population Variance
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To find the area under the chi-square distribution, use textbook Table 6 page 832. There are three cases to consider: Let’s Do It 1. Finding the chi-square critical value for a specific a when the hypothesis test is right-tailed. 2. Finding the chi-square critical value for a …
[DOC File]STATISTICS FOR ALL
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Thus, in the example given in Figure 4, the cumulative (2 is found to be 4.031 When this cumulative chi-square value is used for the less stringent test (0.05 at degree of freedom = 1), it is found to exceed the critical value of 3.841.
[DOC File]Chi-sq explanation - Radford
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A bigger difference will give a bigger Chi-square value. 4. Look up the Chi-square value in a table to see if it is big enough to indicate a significant difference in handedness of males and females. Interpretation . Greater differences between expected and actual data produce a larger Chi-square value. The larger the Chi-square value, the ...
[DOCX File]ANSWERS - Houston Independent School District
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The chi-square statistic is the sum of the squares of the z-values. The number of degrees of freedom is 3 (number of categories minus 1). The critical value is from a table …
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