Þata on the relationship between plant age and dry matter in the stalk are given in the Table. X (Age) 4 6 8 10 12 14 16 18 Y (Dry matter, %) 24 28 35 48 44 49 51 51 i) Express the relationship between the exhausted age and dry matter level with the regression equation (Ý = aX + b). ii) ii) Using the obtained equation, estimate what the dry matter% of plants with a age of 22 weeks will be. iii) By drawing the skater diagram, find the correlation coefficient and interpret the found values. iii)

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Þata on the relationship between plant age and dry matter in the stalk are given in the
Table.
X (Age)
4 6 8 10 12 14 16 18
Y (Dry matter, %) 24 28 35 48 44 49 51 | 51
i)
Express the relationship between the exhausted age and dry matter level with
the regression equation (Ý = aX + b).
ii) Using the obtained equation, estimate what the dry matter% of plants with
ii)
a age of 22 weeks will be.
iii) By drawing the skater diagram, find the correlation coefficient and
interpret the found values.
iii)
Transcribed Image Text:Þata on the relationship between plant age and dry matter in the stalk are given in the Table. X (Age) 4 6 8 10 12 14 16 18 Y (Dry matter, %) 24 28 35 48 44 49 51 | 51 i) Express the relationship between the exhausted age and dry matter level with the regression equation (Ý = aX + b). ii) Using the obtained equation, estimate what the dry matter% of plants with ii) a age of 22 weeks will be. iii) By drawing the skater diagram, find the correlation coefficient and interpret the found values. iii)
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