Statistics is the art of dealing with Data of:
a. large amounts
b. error-tagged
Statistics is divided into two parts:
16 Introductory Data Analysis – HIS
1. Descriptive statistics:
• Calculating characteristic values: mean, median, standard deviation
• Graphical representation
2. Pedictive statistics: that tries to predict facts about large populations or about manufacturing
processes from observed/ measured facts in a small (produced) sample.