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A researcher conducts an experiment to examine the effect of a new fertilizer on plant growth. She applies the fertilizer at regular intervals to 68 pepper plants. Another 59 plants receives just water. . .. \"Him... I 20 21 22 23 24 25 26 27 28 Height (inches) Which of the following statements provide a valid conclusion that can be drawn from the dotplots? Check all that appv. E] The fertilizer had a negative effect on the plant height because the shortest plant is in the fertilizer group. C] The fertilizer had inconsistent results. The group treated with fertilizer had more variability in height than the untreated group. C] We cannot compare the two groups because they didn't contain the same number of plants. E] The fertilizer had positive results on plant height. The median height is larger for the fertilizer group