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michlee michlee
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Compute the linear correlation coefficient between the two variables and determine whether a linear relation exists.

To investigate the relationship between yield of soybeans and the amount of fertilizer used, a researcher divides a field into eight plots of equal size and applies a different amount of fertilizer to each plot. The table shows the yield of  soybeans and the amount of fertilizer used for each plot.


▸ r = 0.729; no linear relation exists

▸ r = 0.683; linear relation exists

▸ r = 0.819; linear relation exists

▸ r = 0.683; no linear relation exists
Textbook 
Statistics: Informed Decisions Using Data

Statistics: Informed Decisions Using Data


Edition: 5th
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NashuaNashua
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