stats
What is the formula for calculating the mean?
Sum of all values divided by the number of values
What does standard deviation measure?
The spread of the data around the mean
What is the median of this dataset: 3, 5, 7, 9, 11?
7
What is the mode of this dataset: 5, 7, 7, 9, 11?
7
What is the range of this dataset: 4, 6, 8, 10, 12?
10
What is the probability of rolling a 6 on a fair six-sided die?
1/6
What is the correlation coefficient used for?
To determine the relationship between two variables
What does the p-value in hypothesis testing represent?
The level of significance for accepting the null hypothesis
What is the result of 5! (factorial)?
120
What is the standard deviation of this dataset: 2, 4, 6, 8, 10?
2.83