Statistics and ProbabilityMenu1What Is Statistics?2What Does Data Gathering Mean?3Why Use Surveys to Collect Data?4Why You Need Statistics5What Are Frequency Tables?6What Is Relative Frequency and Cumulative Frequency?7What Does a Grouped Frequency Table Look Like?8What Is Statistical Validity and Reliability?9What Does Bar Chart Mean?10What Does Pie Chart Mean?11What Are Line Charts?12What Are Box Plots?Activity Set 113How Histograms Work14What Is Central Tendency?Activity Set 115When to Use Each Central TendencyActivity Set 116What Is Mode in Statistics?17What Does Median Mean?18How Do You Find Median in a Frequency Table?19What Is the Median of Grouped Data?20What Is Arithmetic Mean?21How to Find Mean of a Grouped Frequency Table22What Is the Mean of Grouped Data?23Expected ValueActivity Set 124Expected Value and Variance of Sums25What Does Range in Statistics MeanActivity Set 126Interquartile Range and Semi-interquartile RangeActivity Set 127Variance and Standard DeviationActivity Set 128What Is Probability?29How Probability Is Used in Real Life30How Probability Is Calculated31Relative Frequency and the Law of Large NumbersActivity Set 132What Is a Sample Space in Math?33How to Find Probability of Success on a Single Trial34What Does Uniform Probability Mean?35Probability of Success on Multiple Ordered TrialsActivity Set 1Activity Set 236Probability of Success on Multiple Unordered TrialsActivity Set 137What Is Union and Intersection of Sets?38What Are Disjoint Events in Probability?39What Are Complementary Events in Probability?40What Is the Addition Rule of Probability?Activity Set 141What Are Contingency Tables Used For?Activity Set 142What Are Venn Diagrams in Math?43What Are Dependent and Independent Events in Math?Activity Set 144What Is a Conditional Probability?Activity Set 145The Chain Rule of Conditional ProbabilitiesActivity Set 146What Are Tree Diagrams in Maths?Activity Set 147What Is Bayes' Theorem?48What Are Combinatorics in MathematicsActivity Set 149Multiplication Principle For CountingActivity Set 150Ordered Sampling with ReplacementActivity Set 1Practice counting ordered samples with replacement. For each question, compute the number of possible ordered outcomes using the rule nr.CheckResetContinue51How Factorials Work52Permutations (Ordered Sampling Without Replacement)Activity Set 153Combinations (Unordered Sampling Without Replacement)Activity Set 154What Are Probability Distributions?55Random Variables vs EventActivity Set 156Examples of the Binomial Distribution57What's Pascal's Triangle?Activity Set 158What Is a Hypergeometric Probability Distribution?59What Is Normal distribution in Statistics?Activity Set 160What Is the Central Limit Theorem in Statistics?61How to Do Hypothesis Testing with Binomial Distribution62How to Do Hypothesis Testing with Normal Distribution
Practice counting ordered samples with replacement. For each question, compute the number of possible ordered outcomes using the rule nr.CheckResetContinue
