Statistical Questions and Types of Data

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What is a statistical question?

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A statistical question is one that anticipates variability in the data and can be answered by collecting data. For example, 'What is the average height of students in my class?'

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CCSS.6.SP.A.1

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What is a categorical data set?

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Categorical data sets consist of categories or groups. For example, 'Types of pets owned by students' (dog, cat, fish).

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What is a numerical data set?

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Numerical data sets consist of numbers and can be measured. For example, 'Number of books read by each student.'

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How do you identify a statistical question?

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A statistical question can be identified by checking if it requires data collection and if the answer involves variability. For example, 'How many hours do students study each week?' is statistical.

Tags

CCSS.6.SP.A.1

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What is the difference between categorical and numerical data?

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Categorical data describes characteristics or qualities, while numerical data represents quantities or measurements.

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Is 'How many pets do students have?' a statistical question?

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Yes, it is a statistical question because it involves collecting data from multiple students.

Tags

CCSS.6.SP.A.1

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Is 'What is the color of my backpack?' a statistical question?

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No, it is not a statistical question because it pertains to a single individual's backpack.

Tags

CCSS.6.SP.A.1

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What type of data is 'the number of students in each grade'?

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Numerical data, as it represents a count of students.

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What type of data is 'favorite ice cream flavors of students'?

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Categorical data, as it consists of different categories of flavors.

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Can a question be both statistical and non-statistical?

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No, a question is either statistical (involves variability and data collection) or non-statistical (specific to one individual or instance).

Tags

CCSS.6.SP.A.1