<< Chapter < Page Chapter >> Page >
  • Card 14 / 21:
    Six different national brands of chocolate chip cookies were randomly selected at the supermarket. The grams of fat per serving are as follows: 8; 8; 10; 7; 9; 9. Assume the underlying distribution is approximately normal.

    Construct a 90% confidence interval for the population mean grams of fat per serving of chocolate chip cookies sold in supermarkets. State the confidence interval. Sketch the graph. Calculate the error bound.If you wanted a smaller error bound while keeping the same level of confidence, what should have been changed in the study before it was done?Go to the store and record the grams of fat per serving of six brands of chocolate chip cookies.Calculate the mean.Is the mean within the interval you calculated in part a? Did you expect it to be? Why or why not?

  • Keyboard Shortcuts

    Previous Card ← Previous Card Button
    Next Card → Next Card Button
    Flip Card // Return / Space

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Introductory statistics. OpenStax CNX. May 06, 2016 Download for free at http://legacy.cnx.org/content/col11562/1.18
Flash Cards plugin by Curtis Blackwell github.com/curtisblackwell/flash_cards
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Introductory statistics' conversation and receive update notifications?

Ask