Name: _______________________________________________________
Date:____________________________________________
Graphing and Analyzing Scientific Data
A. A sample of bacteria was taken from a bathroom doorknob and the rate of reproduction was studied for a
week. The number of bacteria was measured each day. GRAPH the following information in a SCATTERPLOT.
Be sure to label and number the x and y-axis, choose an appropriate title and draw a best fit line.
Table 1:
Number
of Days
1
2
3
4
5
6
7
Figure 1: _______________________________________________
Amount of
Bacteria
4
16
40
80
100
200
250
1.Independent variable?
__________________
2. Dependent variable?
__________________
3. Predict the amount of bacteria on day 10.
____________________________________
4. Calculate the slope of the line and interpret
it’s meaning.
B. Graph the following information in a BAR graph. Label and number the x and y-axis and choose an
appropriate title.
Table 2:
Month
Sept
Oct
Nov
Dec
Jan
Feb
Number
of deer
38
32
26
20
15
12
1. Independent variable? ______________________
2. Dependent variable?
______________________
3. What is the average number of deer per month?
Figure 2: _______________________________________________