About 33 documents, showing 11 to 20

11

This option will instruct Prism to calculate a separate mean (or median, total, etc.) for each row within each data set.

https://www.graphpad.com/guides/prism/latest/statistics/

12

If you know the survival times for each subject, simply enter them into a column table and perform the Descriptive statistics analysis to calculate the mean and ...

https://www.graphpad.com/guides/prism/latest/statistics/

13

A clever way to use the entered survival data to estimate median followup time. The trick is by reversing what is considered to be the event of interest.

https://www.graphpad.com/guides/prism/latest/statistics/

14

The Mann-Whitney test is a nonparametric test that compares the distributions of two unmatched groups. It is sometimes said to compare medians, ...

https://www.graphpad.com/guides/prism/latest/statistics/

15

Furthermore, Prism (along with most other programs) does not calculate confidence intervals when calculating nonparametric tests. If the distribution is ...

https://www.graphpad.com/guides/prism/latest/statistics/

16

The SEM is calculated by dividing the SD by the square root of N. This relationship is worth remembering, as it can help you interpret published data.

https://www.graphpad.com/guides/prism/latest/statistics/

17

The choices on this tab vary a bit depending on which test you chose on the first tab.

https://www.graphpad.com/guides/prism/latest/statistics/

18

Prism computes the geometric mean by computing the logarithm of all values, then calculating the mean of the logarithms, and finally taking the antilog.

https://www.graphpad.com/guides/prism/latest/statistics/

19

How the Wilcoxon signed rank test works. 1.Calculate how far each value is from the hypothetical median. 2.Ignore values that exactly ...

https://www.graphpad.com/guides/prism/latest/statistics/

20

When the difference between two means is statistically significant (P < 0.05), the two SD error bars may or may not overlap. Likewise, when the difference ...

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