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What is a two-way table?

Back

A two-way table is a statistical table that displays the frequency distribution of two categorical variables, allowing for the analysis of the relationship between them.

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CCSS.8.SP.A.4

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

Back

To calculate the total number of surveyed individuals, sum the frequencies in each cell of the two-way table.

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CCSS.8.SP.A.4

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What does the term 'conditional probability' mean?

Back

Conditional probability is the probability of an event occurring given that another event has already occurred.

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CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

How do you find the probability of an event using a two-way table?

Back

To find the probability of an event, divide the frequency of the event by the total number of surveyed individuals.

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CCSS.8.SP.A.4

Front

What is the formula for calculating conditional probability?

Back

P(A|B) = P(A and B) / P(B), where P(A|B) is the probability of A given B.

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CCSS.HSS.CP.A.3

CCSS.HSS.CP.A.5

Front

What is the probability of choosing a female from a two-way table with 16 females surveyed?

Back

The probability of choosing a female is calculated as the number of females divided by the total surveyed individuals.

Tags

CCSS.8.SP.A.4

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If 7 out of 16 girls skip breakfast, what is the probability that a randomly selected girl skips breakfast?

Back

The probability is 7/16 or approximately 43.75%.

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What does it mean if the probability of an event is 35%?

Back

It means that there is a 35% chance that the event will occur when the conditions are met.

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CCSS.7.SP.C.5

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How can you interpret the results of a two-way table?

Back

Results can be interpreted by analyzing the frequencies and probabilities to understand the relationship between the two variables.

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CCSS.8.SP.A.4

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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 understand the distribution of data.

Tags

CCSS.8.SP.A.4