Wednesday, February 5, 2020

Data Table


DATA TABLE 
A data table is a group of related facts arranged in labeled rows and columns and is used to record information. Its purpose is to help sort, analyze and compare data gathered from a science experiment or research project. Knowing how to create a data table demonstrates skills in organizing information in a meaningful way and provides a learning base to progress to more sophisticated ways to track data.



Title:
The title describes the variables and what is being measured. If you are constructing a data table comparing different types of activities on heart rate, your title would read “The Effect of Different Physical Activities on Heart rate”
Measurable Unit:For the data table to have meaning, use a measurable unit to compare the two variables. Examples of measurable units would be time (hours, minutes, seconds), length (centimeters, inches, miles) or degrees (Fahrenheit, Celsius). In our example, we are comparing the effect of four different types of activities on heart rate, so we would use beats per minute as our unit of measure.
Repeated Trials:When comparing the variables, include at least three trial runs for each activity. Conducting more than one trial helps you to find an average and reduces the possibility of experimental error. For example, measure the heart rate for “walking” at least three different times. After completing three “walking” trials, total the heart rates, then divide it by three (or number of times you did the trials) to get an average heart rate for the walking activity. Repeat this step for each activity.
 

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