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25 December, 04:48

Why Is it important to have a control group in an experimental investigation

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  1. 25 December, 05:02
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    It is important to have a control group in an experimental investigation because if the experiment did not have the control group the data collected would not be accurate. For example if you're testing water turning into ice but you use a different freezer or ice tray for each experiment then there are some elements that would make your data inaccurate.
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