Getting reliable data is vital if we want to make correct conclusions.The process of collecting data through studies involves sampling, observations, surveys, and experiments.
Two-way tables show us relationships between categorical variables.
A Normal distribution is a very special and common distribution that is fundamental to learning about statistics. Normal distributions describe many real world phenomena from scores on exams to lengths of wings on bugs.
If you roll five dice, what’s the probability that three of them show a 6? In a group of 20 strangers, what’s the probability that more than half of them were born in the summer? Learn about binomial probability to answer these types of problems.
Scatterplots show us relationships and patterns in data, and we use those patterns to make predictions.
Data makes more sense when we graph it and summarize it with numbers.
Few things are certain in life. Probability gives us an idea of the likelihood or unlikelihood of different outcomes.
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