Correlation Test Example. And so we reject the null hypothesis and conclude there is a non zero correlation between poverty and infant mortality. The above example illustrates positive correlation one variable increases as the other increases.
You statistically analyze the data to determine whether men are more likely to speak up in class than women. Pearson s correlation coefficient can be positive or negative. The test statistic t has the same sign as the correlation coefficient r.
The above example illustrates positive correlation one variable increases as the other increases.
Growth in obesity is positively correlated to growth in consumption of junk food. Growth in obesity is positively correlated to growth in consumption of junk food. P value tdist 4 737 48 1 9 8e 06 05 α one tail tcrit tinv 2 05 48 1 677 4 737 tobs. You statistically analyze the data to determine whether men are more likely to speak up in class than women.