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Data Collection and Analysis

Activity 3

Collecting the original data:

After making their initial measurements, Emiliano and his team waited for a year to measure the change in plant height in the experiment and control plots.

Collect Your Data:

There are five different sites, and each site shows one fenced and one unfenced. For each site, record the measurements of the plants in the experimental and control plots. (Be sure to keep the data separate.)

Make a data sheet to record your data. If you need help designing a data sheet, check this one out.

Plot 1

Site 2


Plot 3


Site 4


Site 5

Analyze and Report the Data from the Plots:

Find the average of the the plant heights in the control and experiment plots at each site.

Find the "grand average" for all of the control plots and for all of the experiment plots. (you need to use al the values; you cannot average the averages!)

Summarize Your Results:

Be sure to include the information below in your summary.

  • Describe the plant heights for plants measured inside and outside the fenced areas.

  • Were your hypothesis and predictions confirmed by by the data?

  • What is your explanation for the differences in the plant heights?

Compare Your Results with the Researcher's Results


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