What does this gizmo do? We’ve given students a diagram of what the interior of this mechanism contains and asked them to try to decide what its purpose must be. Then we’ve given them the data that was collected from…
Tag Archive for line of best fit
Will college be affordable?
Whether you or one of your siblings is going off to college next fall, it is useful to know how much colleges cost. Not going to college this fall? No worries, we can use the information on college costs in…
How Much is a Tweet Worth?
These days it seems everyone is on social media. Are you? Famous athletes and entertainers are on social media and they can make a lot of money. In this activity students study how the number of Twitter followers relates to tweet…
What’s with the plovers?
Cute little birds. Piping plovers are presently nesting on beaches along the Atlantic coast. Consequently beaches are often roped-off or closed to protect their nests and chicks. Is this conservation working? What should the numbers be like after so many…
Movie tickets over time
How Much Will Movie Tickets Cost in the Future? We’ve just updated this activity. In this investigation, Brian looks at the changes in movie ticket prices over the last 30 years. Using his scatter plot (or his data) students analyze rates…
Cost of movie tickets over time
We’ve updated this activity and thought that we should mention it again as we approach the Academy Awards. In this investigation, Brian looks at the changes in movie ticket prices over the last 30 years. Using his scatter plot (or his data)…
How much should a World Series commercial cost?
Click on this picture to see it larger in a new window. We all know that a Super Bowl commercial costs a ton of money. What about a World Series commercial? If you were representing a company that wanted to…
Do teams that spend a lot win a lot?
First ask students to look at the table below. What do you notice? What does it make you wonder?
Monopoly 2014
In the board game, Monopoly, does a property’s distance from GO correlate to its rent when you land on it ? Using Brian’s spread sheet (list of properties, distance from GO, rent and rent with properties) students create scatter plots.…
It sure is cold out … or is it?
Students ponder the relationship between place latitudes and average January temperatures while they try to discover a correlation. Is this a linear or near linear relationship? … averaging, missing data for averaging, line of best fit, Google Earth, world locations,…