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Open Up - Grade 8 - Mathematics - Unit 6 - Lesson 6

Last updated 12 months ago

5 questions

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Question 1

1.

Which of these statements is true about the data in the scatter plot?

Question 2

2.

Which of these statements is true about the data in the scatter plot?

As x increases, y tends to decrease.

As x increases, y tends to stay unchanged.

x and y are unrelated.

Question 3

3.

The linear model for some butterfly data is given by the equation y=0.238x+4,642. Which of the following best describes the slope of the model?

For every 1 mm the wingspan increases, the length of the butterfly increases 4.642 mm.

For every 1 mm the length of the butterfly increases, the wingspan increases 0.238 mm.

For every 1 mm the length of the butterfly increases, the wingspan increases 4.642 mm.

For every 1 mm the wingspan increases, the length of the butterfly increases 0.238 mm.

Question 4

4.

Nonstop, one-way flight times from O’Hare Airport in Chicago and prices of a one-way ticket are shown in the scatter plot.
Circle any data that appear to be outliers.(Show Your Work)

Use the graph to estimate the difference between any outliers and their predicted values.(Short Answer)

Question 5

5.

"Source: Open Up Resouces (Download for free at openupresources.org.)"

As x increases, y tends to increase.