Analyze the values of X shown below
What is the modal value?
You are measuring how much a child has grown over the past year and would like to express that using a percentage.
What calculation is most appropriate?
Analyzing a data point, you find that the point is 1 standard deviation above the mean.
What is the z-score for this data point?
You would like to know whether the mean height of a group of children is statistically significantly different from that of another group.
What statistical test would be most appropriate?
What output from a statistical test is used when performing hypothesis testing?