Digital music sales in the United States are shown in Table 31 for various years. Let s
Question:
Let s be the annual U.S. digital music sales (in billions of dollars) at t years since 2005.
a. Use technology to construct a scatterplot.
b. Describe the four characteristics of the association. Compute and interpret r as part of your analysis.
c. Use technology to graph the model s = 0.4t + 1.3 on the scatterplot. Does the line come close to the data points?
d. What is the s-intercept? What does it mean in this situation?
e. Estimate the sales in 2012.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Question Posted: