solution

Refer to Exercise 8.5 (data set PopulationUSA). Compute 10-year increments of the population growth x1 = 5.3 − 3.9, x2 = 7.2 − 5.3, etc.

(a) Compute sample mean, median, and variance of 10-year increments. Discuss how the U.S. population changes during a decade.

(b) Construct a time plot of 10-year increments and discuss the observed pattern.

Exercise 8.5

The following data set shows population of the United States (in million) since 1790,

Construct a time plot for the U.S. population. What kind of trend do you see? What information can be extracted from this plot?

These data are available in data set PopulationUSA

 
"Looking for a Similar Assignment? Get Expert Help at an Amazing Discount!"
Looking for a Similar Assignment? Our Experts can help. Use the coupon code SAVE30 to get your first order at 30% off!

Hi there! Click one of our representatives below and we will get back to you as soon as possible.

Chat with us on WhatsApp