CPM Homework Banner

Home > CC4 > Chapter 5 > Lesson 5.3.2 > Problem 5-106

5-106.
  1. Chris got a summer job at an environmental sciences lab. He was using a microscope to measure the length of a particular organelle in tree sap cells and the diameter of the cell itself. Chris collected the following data. A “µm” is a micrometer or one millionth of a meter. Homework Help ✎

  2. Length of Organelle (µm)

    2

    9

    7

    4

    4

    9

    6

    2

    Diameter of Cell (µm)

    46

    34

    36

    42

    46

    36

    42

    45

    1. What would you include in a mini-report that fully describes all aspects of a linear association? Make as detailed a list as you can.

    2. Fully describe all aspects of the linear association in context. Include appropriate graphs.

Use your calculator to make a scatterplot.
Complete and draw LSRL.
Verify linearity with a residual plot.
Describe the form, direction (including the slope and y-intercept in context),
strength (including an interpretation or r and R2), and possible outliers.
Draw upper and lower bounds for the model used for prediction.