Real statistics using excel everything you need to do real statistical analysis using excel. Cumulative distribution function of the studentized range. This modified macro is based on the fortran77 algorithm as. Suppose that we take a sample of size n from each of k populations with the same normal distribution n. You can download this for free by going to the webpage. Internal report sufpfy9601 stockholm, 11 december 1996 1st revision, 31 october 1998 last modi. The studentized range statistic q statistical science. For example, the first row compares the cars with 4 and 6 cylinders. The following site contains the matlab code for calculating the pvalue for. This matlab function returns the inverse cumulative distribution function icdf of the students t distribution evaluated at the probability values in p using the corresponding degrees of freedom in nu. Studentized range q table with critical value for qk, df. The integral of a pdf over its entire range of values is one.
In the results matrix, 1, 2, and 3 correspond to cars with 4, 6, and 8 cylinders, respectively. Studentized range distribution real statistics using excel. In statistics, the studentized range is the difference between the largest and smallest data in a. Studentized range q table real statistics using excel. Cumulative distribution function of the studentized range for tukeys hsd test.
The following matlab project contains the source code and matlab examples used for cumulative distribution function of the studentized range for tukeys hsd test. It needs the sample degrees of freedom must be the same for each sample, the k number of samples and the pcumulative probability value default0. Cumulative distribution function of the studentized range for tukeys. This function finds the tukeys q studentized range critical value. In probability and statistics, studentized range distribution is the continuous probability distribution of the studentized range of an i. This is the default, and it is based on the studentized range. This modified macro is based on the fortran77 algorithm as 190. Brief introduction to the studentized range distribution and how to calculate its values and its. Then the following random variable has a studentized range distribution. This guide introduces the matlab statistics environment through the toolbox.
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