In a project for a botany class, 15 sunflower seeds were randomly assigned to and planted in pots whose soil had been subjected to one of three fertilizer treatments. Twelve of the seeds germinated, and the table below shows the height of each plant (in cm) 2 weeks after germination. Test at the 5% significance level whether there is any association between brand and customer satisfaction level. Treatment 1 Treatment 2 Treatment 3 25 40 36 26 37 25 31 30 26 35 33 24 37 25 24
In a project for a botany class, 15 sunflower seeds were randomly assigned to and planted in
pots whose soil had been subjected to one of three fertilizer treatments. Twelve of the seeds
germinated, and the table below shows the height of each plant (in cm) 2 weeks after
germination. Test at the 5% significance level whether there is any association between brand
and customer satisfaction level.
Treatment 1 Treatment 2 Treatment 3
25 40 36
26 37 25
31 30 26
35 33 24
37 25
24
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