NOTES- https://forms.gle/r38XmxzztGBVzvPg8 TELEGRAM GROUP - https://t.me/+t1TwOFv3MKk1NTM1 TOPICS COVERED- Data Preparation and Cleaning; Graphical Presentation of Data; Frequency Distribution, Descriptive Statistics; Steps in Hypothesis Testing; Hypothesis Testing-parametric (z test and t test) and non-parametric (chi-square test).