Normal Distribution, Standard Deviation, Z-Scores Task CardsStudents will practice calculating and interpreting z-scores, normal distribution, and standard deviation in real world contexts by working through these 20 task cards. These are challenging and diverse questions that require students to read carefully. They can check their answers by scanning the QR code on each card. Connection to the internet is not required to scan the code. However, a QR scanner app is required on the device.