Circulation is the lifeblood of the publishing business. The larger the sales of a magazine, the more I can charge advertisers. However a circulation gap has appeared between the publisher’ reports magazines’ newsstand sales and subsequent audit bureau of circulations. the file circulation contains the reported and audited newsstand yearly sales (in thousands) for the following 10 magazines:

Magazine Report (X) Audited (Y)

YM 621.0 299.6

Cosmo Girl 359.7 207.7

Rosie 530.0 325.0

Playboy 492.1 336.3

Esquire 70.5 48.6

Teen people 567.0 400.3

More 125.5 91.2

Spin 50.6 39.1

Vogue 353.3 268.6

Elle 263.6 214.3

A, construct a scatter plot. For the data b0 = 26,724 and b1 = 0.5719.

B, Interpret the meaning of the slop ,b1 , in this problem