Having sex will give you lung cancer Statistics show that people who smoke cigarettes: Drink more alcohol Drink more coffee Get less exercise Have more.

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Presentation transcript:

Having sex will give you lung cancer Statistics show that people who smoke cigarettes: Drink more alcohol Drink more coffee Get less exercise Have more sexual experiences (female) and have them at an earlier age Have more children (female) Have more sexually transmitted diseases (female) Have more abortions (female) And of course, are more likely to get lung cancer

Having a TV will make you live longer Countries with highest life expectancy: Japan, France, Canada, Australia, England, USA Countries with the largest number of people per tv: Haiti, Angola, Uganda, Cambodia LE= PPTV r 2 = 0.65 r= Problem: Make sure that something else isn’t causing both variables to change. Strong, negative, Linear? The less people per tv, the longer you will live.

Having more pages in your manual means better gas mileage Problem: Make sure that you have enough data to accurately show the trend. Strong, positive, Linear The higher the page number the better the gas mileage

Missing more than 10 days of school will make your mark zero. Strong, negative, Linear The more days absent, the lower your mark. Problem: Using the line of best fit to predict what may happen too far outside of the data set may give a non realistic answer.