The following data shown in the table on the eight planets in our solar system were obtained from Wikipedia:
a. Describe the association between these variables as described in the graph on the scatterplot below. Comment on direction, strength, and form of the association.

b. The correlation coefficient between these variables equals 0.988. Would you conclude that the relationship between these variables is linear? Explain.

Transcribed Image Text:

180- 160- 140- 120- 100- 80- 60- 40- 20- 0- 1000 2000 3000 4000 5000 Distance (in millions of kilometers) Orbital period (in Earth ye ars) Venus Earth Jupiter Saturn Uranus Neptune Mercury Mars 149.60 227.90 Mean distance from sun (in million km) 57.90 778.40 1,426.70 2,871.00 4,498.30 108.20 0.24 0.62 1.88 29.45 84.02 164.79 Orbital period (in Earth years) 1.00 11.86