Statistics Flashcards
1
Q
What does n stand for?
A
number of observations in the data set
2
Q
What is students t-test used for?
A
compare the means of 2 groups to see if differences arise
3
Q
What is Spearman’s rank correlation coefficient used for?
A
identify and test the strength of a relationship between 2 data sets
4
Q
State the interruption of the stats test if the calculated value is more than the critical value
A
- Reject the null hypothesis with …% confidence
- Accept the alternative hypothesis
5
Q
State the interruption of the stats test if the calculated value is less than the critical value
A
- Accept the null hypothesis
- Reject the alternative hypothesis
