An ecologist is interested if there is different than a 10% change in soil moist
ID: 203873 • Letter: A
Question
An ecologist is interested if there is different than a 10% change in soil moisture between two groups of lupines in very different habitats. Properly analyze the data. Then, thoroughly describe your results in one sentence.
Plot
Height (m)
Soil Moisture (%)
Angeles NF
0.7
25
Angeles NF
0.6
35
Angeles NF
0.5
30
Angeles NF
0.8
35
Angeles NF
0.6
25
Angeles NF
0.4
30
Sequoia NF
1.1
55
Sequoia NF
1
30
Sequoia NF
0.9
40
Sequoia NF
1.2
65
Sequoia NF
1.4
50
Sequoia NF
1.3
60
s2
Angeles NF: 0.035;
Sequoia NF: 0.02
Sequoia NF: 170;
Angeles NF: 20
sx 12
0.0957
5.63
Plot
Height (m)
Soil Moisture (%)
Angeles NF
0.7
25
Angeles NF
0.6
35
Angeles NF
0.5
30
Angeles NF
0.8
35
Angeles NF
0.6
25
Angeles NF
0.4
30
Sequoia NF
1.1
55
Sequoia NF
1
30
Sequoia NF
0.9
40
Sequoia NF
1.2
65
Sequoia NF
1.4
50
Sequoia NF
1.3
60
s2
Angeles NF: 0.035;
Sequoia NF: 0.02
Sequoia NF: 170;
Angeles NF: 20
sx 12
0.0957
5.63
Explanation / Answer
Ans-
Lupines are legumes and can improve a soil's fertility over time.
lupine thrives in cool, moist locations. It prefers full sun to light shade and average soils, but will tolerate sandy, dry soil. Plants develop long taproots, so loosen the soil to a depth of 12-20 inches using a rototiller or garden fork
In the above results variance of the sample s2 is less than 0.05
Hence the data is significant
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