Calculators
Z Score Calculator
This calculator finds the standardized z-score for any raw value of X, a population mean, and a population standard deviation.
A z-score simply tells us...
Google Sheets
Google Sheets: Change Color when Checkbox is Checked
You can use the custom formula function in Google Sheets to change the color of a cell when a checkbox is checked.
The following example...
Calculators
Interquartile Range Calculator
This calculator automatically finds the interquartile range for a given dataset.
Simply enter the comma-separated values of the dataset in the box below and then...
R
How to Remove Duplicate Rows in R so None are Left
You can use the following methods in R to remove duplicate rows from a data frame so that none are left in the resulting...
Calculators
Union and Intersection Probability Calculator
Probability of event A: P(A)
Probability of event B: P(B)
Probability that event A does not occur: P(A’): 0.7
Probability that event B does not occur: P(B’):...
Calculators
T Score to P Value Calculator
t score
Degrees of freedom
One-tailed or two-tailed hypothesis?
One-tailed
Two-tailed
Significance level
0.01
0.05
0.10
P-value: 0.08088
The result is NOT SIGNIFICANT at p 0.05
Statology
One-Way ANOVA: Definition, Formula, and Example
A one-way ANOVA (“analysis of variance”) compares the means of three or more independent groups to determine if there is a statistically significant difference between...
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