Construct and interpret two-way frequency tables to analyze associations between two categorical variables. a. Use the tables to decide if events are independent b. Use the tables to find joint and marginal probabilities.
Example Problems
Tom took 4 exams. His mean was and his standard deviation was . What scores did Tom receive on his exams?
Two fair six-sided dice are rolled.
What is the probability that both dice show an even number?
Round your answer to two decimal places.
What is the probability that both dice show an even number?
Round your answer to two decimal places.
a. Write two sets of 5 different numbers that have the same mean but different standard deviations.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
b. Write two sets of 5 different numbers that have the same standard deviations but different means.
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