Robin Hood has a flawless track record. That is, until he completely misses the mark one day! Does this spell the end of his successful career? This lesson will wrap up our discussion of reliability by examining the effects of outliers...

We know that Robin Hood is an accurate and reliable archer, but is his aim truly perfect? Take a closer look! You’ll find that his arrows never strike the same place twice! This lesson will elaborate on the concept of reliability,...

The archery contest has a long list of rules, but Chelsea the Cheater keeps breaking them! How does this affect the outcome (conclusion) of the competition? This lesson will introduce the concept of validity and examine the importance...

A new contender joins the archery contest... Will he be a match for Robin Hood? Only time (and repeated trials) will tell! This lesson will explore the concept of reliability, including the subtle difference between accuracy and...

The royal archery contest begins! Everyone expects Robin Hood to win, since he is an accurate and reliable archer. But what do the terms accuracy and reliability mean? This lesson will explore accuracy and systematic errors, including...