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Google Sheets

The chi-squared statistic is a measure of how dispersed the data is. You can use the chi-squared statistic to test the hypothesis that the data is from a population with a certain distribution. In Google Sheets, you can use the CHISQ.TEST function to compute the chi-squared statistic. The CHISQ.TEST function takes two arguments: the data and the distribution. The data is the set of data points that you want to test. The distribution is the distribution that you want to test the data against. The function returns the chi-squared statistic, the p-value, and the degrees of freedom. The p-value is the probability of getting a chi-squared statistic as large or larger than the one that you computed if the data were actually from the population with the given distribution. The degrees of freedom is the number of data points minus the number of parameters in the distribution.

The syntax of the CHISQ.TEST function in Google Sheets is as follows:

=CHISQ.TEST(array1, array2, tails)

array1 is the first array of data to be tested.

array2 is the second array of data to be tested.

tails is a boolean value that specifies whether or not to calculate the p-value.

The CHISQ.TEST function will return the chi-squared statistic, the degrees of freedom, and the p-value.

The chi-squared distribution is a probability distribution that is used to calculate the probability of obtaining a particular value of chi-squared statistic. The chi-squared statistic is used to measure the degree of association between two categorical variables. The chi-squared statistic is calculated by summing the squared differences between the observed frequencies and the expected frequencies. The chi-squared statistic is used to calculate the p-value, which is the probability of obtaining a value of the chi-squared statistic that is greater than or equal to the value of the chi-squared statistic that was observed. The chi-squared statistic can be used to calculate the odds ratio, which is the ratio of the odds of an event occurring in one category to the odds of the event occurring in another category. The chi-squared statistic can be used to calculate the relative risk, which is the ratio of the risk of an event occurring in one category to the risk of the event occurring in another category. The chi-squared statistic can be used to calculate the risk difference, which is the difference in the risks of an event occurring in two categories. The chi-squared statistic can be used to calculate the absolute risk difference, which is the difference in the absolute risks of an event occurring in two categories. The chi-squared statistic can be used to calculate the relative hazard, which is the ratio of the hazard of an event occurring in one category to the hazard of the event occurring in another category. The chi-squared statistic can be used to calculate the hazard ratio, which is the ratio of the hazard of an event occurring in one category to the hazard of the event occurring in another category.

There are a few times when you should not use the CHISQ.TEST function in Google Sheets. One instance is when you have a small sample size. If you have less than 30 data points, the function may not give accurate results. Additionally, you should not use the function if your data is not normally distributed. If the data is not normally distributed, the function may not give accurate results.

In Google Sheets, there are a few similar formulae to the chi-squared test. One is the "F distribution" function, which is used to calculate the probability of obtaining a particular F statistic, given the degrees of freedom of the sample. Another is the "t distribution" function, which is used to calculate the probability of obtaining a particular t statistic, given the degrees of freedom of the sample.

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