3 a) Comment on the nature of the 4 Box and Whisker plots in terms of distributi

Question

3 a) Comment on the nature of the 4 Box and Whisker plots in terms of distribution, variation and potential differences between the 4 conditions. b) In a typical Box and Whisker plot what are the features shown? c) Compile a short conclusion of 2-3 sentences that conveys the 'take-home message' to this experiment tay 30 cm depth 40 % organic 30 cm depth 80% organic 60 cm depth 40% organic 60 cm depth 80% organic Figure 29. (a) Height of Green Alders grown on the Technosol plots with 2 depths of soil and low and high organic matter content. Heights determined at end of growing season in Sept 2016 (n 19, 17, 16, 15).

Explanation / Answer

SOlutionA:

there are 4 groups

and the averages f the 4 groups are different

median(50%)of 30 cm(80% organic) and 60 cm (80% organic)are equal

there are outliers(extreme values )seen for 30 cm depth(80% organic) and 60 cm depth(40% organic) and the values are above 90cm height.

median is lowest for 60 cm depth(40% organic)

Solutionb:

in a tytpical boxplot the five num summary is found and outliers.

MIN VALUE

Q1

Q2=MEDIAN

Q3

MAX VALUE

SOlutionc:

its a comparitative box plot for 4 different groups

4 groups averages are different.

outliers can be seen for 30 cm depth(80% organic) and 60 cm depth (40% organic)

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