TEKS.MATH.9-12.VI.B

What is a scatter plot?

• A graph that shows the relationship of two data sets.
• A graph drawn using rectangular bars to show how large each value is.
• A graph that shows information that is connected in some way.
• A graph that shows data changing over time.

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TEKS.MATH.9-12.VI.B

What is a census?

• A tool used to collect statistical data
• Statistics collected from an entire population
• The factual information collected from a survey or other source 
• A group chosen from a population

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TEKS.MATH.9-12.VI.B

This sample is selected by dividing the population into subgroups and then taking a fixed number of units from each group using the simple random sample.

• stratified
• cluster
• judgment
• experimental

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TEKS.MATH.9-12.VI.B

TEKS.MATH.9-12.VI.A

Discrete or Continuous?

• Discrete
• Continuous

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TEKS.MATH.9-12.VI.B

The type of programming on each radio station in your city (e.g., 93.7 KSKS play Country, Y101.1 plays Pop)

• Nominal

• Ordinal

• Interval

• Ratio

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TEKS.MATH.9-12.VI.B

Yellow walls in your office and white walls in your boss's office.

• Nominal

• Ordinal

• Interval

• Ratio

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TEKS.MATH.9-12.VI.B

Look at the bar graph, "Nicest Fruit". What does the x-axis show?

• Types of fruit

• The number of people.

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TEKS.MATH.9-12.VI.B

A variable (or response variable) is

• a characteristic of interest about each individual element of a population or sample

• a characteristic that is irrelevant to the collection of the data

• a characteristic that changes when the data is collected

• a characteristic or trait that will be ignored in a sample population

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TEKS.MATH.9-12.VI.B

The following dot plot is

• skewed left

• skewed right

• symmetrical

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TEKS.MATH.9-12.VI.B

TEKS.MATH.9-12.VI.C

TEKS.MATH.9-12.IV.D

What are characteristics that are defined by a number, such as age or weight?

• descriptive statistics

• inferential statistics

• categorical variables

• numerical variables

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TEKS.MATH.9-12.VI.B