Portugal is known for its sweet port, or “simple rose.” To keep with the current trend of dry table wines, Portuguese winemakers are adding new reds to their inventory of wines.

Listed in the table are five varieties with their Wine Spectator score and price per bottle. Wine Spectator rates wines on a 100-point scale, and all wines are blind-tasted.

a. Calculate r.

b. Set a 95% confidence interval of .

c. Describe the meaning of the answer to part b.

d. Explain the meaning of the width of the interval answer in part b.

Transcribed Image Text:

Name Score Price Quinta do Bale Meao Douro 2000 95 $49.00 Quinta do Portal Tinta Roriz Douro 2000 89 $27.00 Casa Santos Lima Alicante Bouschet 87 $10.00 Estremadura 2000 Luis Pato Baga Beiras Casta 2001 87 $14.00 Eborae Vitis e Vinus Alentejo Singularis 2002 85 $7.00