Exit Ticket - Two Way Tables

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What is a two-way table?

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A two-way table is a statistical table that displays the frequency distribution of two categorical variables. It helps in analyzing the relationship between the two variables.

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How do you calculate the percentage of a group?

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To calculate the percentage of a group, divide the part by the whole and then multiply by 100. Formula: (Part/Whole) x 100.

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What does it mean if 50% of students are boys?

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It means that half of the total number of students are boys, indicating an equal gender distribution in this case.

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How do you find the probability of an event?

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Probability is calculated by dividing the number of favorable outcomes by the total number of possible outcomes. Formula: P(Event) = Favorable Outcomes / Total Outcomes.

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What is the probability of selecting a female student from a group of 27 students, where 13 are female?

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The probability is 13/27, as there are 13 favorable outcomes (female students) out of 27 total students.

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What does it mean if 86.5% of SUVs are driven by women?

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It indicates that a significant majority of SUV drivers are women, reflecting gender preferences in vehicle choice.

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How do you interpret data from a two-way table?

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Data from a two-way table can be interpreted by analyzing the frequencies and percentages of each category, helping to identify trends and relationships.

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What is the formula for calculating the percentage of girls with blonde hair?

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Percentage of girls with blonde hair = (Number of girls with blonde hair / Total number of girls) x 100.

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If 4 out of 27 students have an A and are female, what is the probability of randomly selecting a female student with an A?

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The probability is 4/27, as there are 4 favorable outcomes (female students with an A) out of 27 total students.

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What is a categorical variable?

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A categorical variable is a type of variable that can take on one of a limited, fixed number of possible values, representing different categories.