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6 August, 19:53

A researcher wished to determine the effect of fertilizer concentration on plant growth. She put bean seedlings into four groups, with 10 plants in each group. One group was not fertilized. She measured each plant's height weekly for three weeks. How should she plot the data to analyze the effect of fertilizer on plant growth

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  1. 6 August, 21:05
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    The researcher should use the following way to analyze the effect of fertilizer on plant growth:

    Plot the plant height on the y-axis and time in weeks on the x-axis. Each fertilizer concentration should be plotted on a separate line.

    Explanation:

    A graph is a diagram which is used to represent the relation between variable quantities.

    Line graphs are commonly used to track changes over short and long periods of time. Line graph provides the result accurately compared to bar graphs, because it can exactly represent the small changes. Line graphs can be used to monitor changes over the same period of time.

    To monitor the effect of fertilizer on plant growth, the height of the plant should be plotted on y-axis and time in weeks on the x-axis. The concentration of each fertilizer should be plotted on a separate line.
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