EVALUATION OF DATA

Part $1$ Circumference vs$.$ diameter

Start Logger Pro. Double$-$click on the header of the $x-$axis in the data table. This brings up a Manual Column Options box. Enter diameter as the name, $d$ as the short name and $cm$ as the units. Select Done.

Double$-$click on the header of the $y-$axis in the data table. Enter circumference as the name, $C$ as the short name and $cm$ as the units. Select Done.

Manually enter the data you have recorded. Press Return or Enter after typing the value to mover the cursor to the next cell in the data table.

Choose "Autoscale From $0"$ from the Analyze menu.

Choose Linear Fit from the Analyze menu to have Logger Pro draw a line of best fit through your data.

Write the equation for your best$-$fit line. After examining the value and units of the slope, write a general expression for the relationship between circumference and diameter.

Equation of best$-$fit line:

General Expression Relating Circumference and Diameter: