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9.01 Data and sampling

Adaptive
Worksheet

Interactive practice questions

Consider the following variables:

  • Number of ice cream cones sold
  • Temperature (°C)
a

Which of the following statements makes sense?

The temperature affects the number of ice cream cones sold.

A

The number of ice cream cones sold affects the temperature.

B
b

Which is the dependent variable and which is the independent variable?

The independent variable is the temperature and the dependent variable is the number of ice cream cones sold.

A

The independent variable is the number of ice cream cones sold and the dependent variable is temperature.

B
Easy
< 1min

Consider the following variables:

  • Ticket sales
  • Revenue from a show
Easy
< 1min

The scatter plot shows the relationship between sea temperature and the amount of healthy coral.

Easy
< 1min

The following graph shows the height of a ball after it is dropped off the side of a building.

Easy
< 1min
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Outcomes

A.ST.1

The student will apply the data cycle (formulate questions; collect or acquire data; organize and represent data; and analyze data and communicate results) with a focus on representing bivariate data in scatterplots and determining the curve of best fit using linear and quadratic functions.

A.ST.1a

Formulate investigative questions that require the collection or acquisition of bivariate data.

A.ST.1b

Determine what variables could be used to explain a given contextual problem or situation or answer investigative questions.

A.ST.1c

Determine an appropriate method to collect a representative sample, which could include a simple random sample, to answer an investigative question.

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