Biology Chi Square Critical Value Table. For two sided tests the test statistic is compared with values from both the table for the upper tail critical values and the table for the lower tail critical values. Values of the chi squared distribution.
The significance level α is demonstrated with the graph below which shows a chi square distribution with 3 degrees of freedom for a two sided test at significance level α 0 05. There are 3 steps to take when using the chi squared test. Use the critical values table to determine if the calculated value is equal to or less than the critical value.
For two sided tests the test statistic is compared with values from both the table for the upper tail critical values and the table for the lower tail critical values.
The response earned 1 point in part d for explaining that a chi square value of 48 9 is greater than the critical value of 5 99 and that the null hypothesis is rejected. Since our test statistic is smaller than our critical value we fail to reject the null hypothesis. There are 3 steps to take when using the chi squared test. Chi square critical values table.
