Interpreting Two Way Tables and Probability

Front

What is a two-way table?

Back

A two-way table is a statistical table that displays the frequency distribution of variables. It allows for the comparison of two categorical variables.

Tags

CCSS.8.SP.A.4

Front

How do you calculate the total number of observations in a two-way table?

Back

To find the total number of observations, sum all the values in the table.

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CCSS.6.SP.B.5A

Front

What is probability?

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Tags

CCSS.7.SP.C.5

Front

How do you calculate the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of outcomes).

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CCSS.7.SP.C.7A

Front

What does it mean if the probability of an event is 1/20?

Back

It means that there is one favorable outcome for every 20 possible outcomes.

Tags

CCSS.7.SP.C.7A

Front

How do you convert a fraction to a percentage?

Back

To convert a fraction to a percentage, divide the numerator by the denominator and then multiply by 100.

Front

What is the formula to find the percentage of a part compared to a whole?

Back

Percentage = (Part / Whole) x 100.

Front

What is the significance of the total row and column in a two-way table?

Back

The total row and column provide the overall counts for each category, helping to analyze the data more effectively.

Tags

CCSS.8.SP.A.4

Front

How can you find missing values in a two-way table?

Back

You can find missing values by using the totals and the known values to set up equations.

Tags

CCSS.8.SP.A.4

Front

What is a categorical variable?

Back

A categorical variable is a variable that can take on one of a limited, fixed number of possible values, assigning each individual or other unit of observation to a particular group.