MATH 110 MODULE 1 Notes 2026, Lecture notes of Mathematics

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MATH 110 – MODULE 1

1.1 Intro to Stats

• Each person is an element
• Each column is the variable (i.e. age, gender, state, children, etc)

• Each row is the observation
• Qualitative data can be numerical or non-numerical  Quantitative data is ONLY numerical
• Each transaction is the element  Each column is the variable
• Most of these variables are categorical ( qualitative) only children, annual income, units sold and revenue are quantitative

1.3 Where to Find Data

1.5 Using Statistical Inference