Tag Archive for Data

What does 95% confidence in the poll results mean?

There were polls about who would win the Presidential election. Now there are polls about approval ratings for Congress and President Trump.  You can see the latest poll results here. I get so confused when polling results are reported.  What…

Do better movies make the most money?

Newly updated! Do the “Best” movies make the most money?  How could you measure the “best” movie? What information would you need to make this judgement? Ten movies are nominated each year to receive an Oscar for the Best Picture. On February 26,…

Super Bowl ad costs still increasing

Budweiser’s “Puppy Love” commercial from Super Bowl XLIII Here’s one more Super Bowl analysis to motivate your students: More than 5 million dollars for a 30-second ad.  That is how much a one-half minute commercial will cost during the 2017…

Typical Super Bowl scores 2017

The Super Bowl is coming up!  Share a prediction for the score of the big game.  Don’t just guess, use math to help you get a better idea of what to expect.  What are typical scores of a Super Bowl?…

Consumer Spending 2016

We spend a lot of money as consumers in the U.S. In this activity we look at historical data to see if there are any patterns in our spending.  How does our holiday spending show up in these graphs?  What…

Veterans Day

As Veterans Day approaches, let your students learn about and appreciate the meaning of the day by analyzing the powerful data that we’ve supplied. Students can use our numbers to create questions for their classmates … questions that can emphasize the tremendous gift…

iPhone 7 opening weekend

Yep, Apple just announced a new iPhone … the iPhone 7.  It will be in their stores on September 16, 2016.  What will their record sales be like this time?  How many iPhones will they sell? In this activity kids…

Tornadoes

Tornadoes have devastated the Great Plains of the U.S. in the last few days.  Oklahoma, Texas, Nebraska, Arkansas and Kansas have been brutally hit with these powerful events. Involve your students in a better understanding of the ranking and severity of…

Growth of Facebook update

Facebook is so accepted in our world today that it is even part of nightly news broadcasts as people are noted for receiving huge numbers of likes in appreciation or interest. Mark Zuckerberg, the founder and CEO of Facebook, is…

Losing team in the playoffs, 2015

Hey, the playoffs are about to begin.  The best teams from the leagues compete to determine the champion. Must be some really great teams! But wait, the 2014-15 Carolina Panthers made the NFL playoffs by winning the NFC South with a…

Where have all the flowers … come from?

Tuesday, February 14, 2017, is Valentine’s Day.  Start the “love hoopla” with this graphic on where all of the flowers come from.  This is part of the graphic from http://visual.ly/valentines-day-facts What fraction of these roses are shaded red?  The red ones…

Moneymaking holiday movies

Which movie do you think is the highest grossing holiday movie of all time (click on the movie to see its trailer)? How the Grinch Stole Christmas,  Elf,  The Santa Clause  or  The Polar Express Students analyze holiday movie data. They…

Cruising

There have been a lot of cruise ship mishaps and disasters this year. While these are in the news, let your students consider how these floating cities manage their resources and which of their needs are precarious as they calculate…

Starbucks, 2012

Time to give students some authentic math on a topic they will surely be interested in … Starbucks.  We ask and answer a few questions in this activity. About how many drinks does Starbucks sell in a year? If I…

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,…