When Graphs Attack
Definition Station
Thinking about What you KNOW!
BIASED?
MAD MATH QUESTIONS
100
Draw an example of a bar graph
Students will display their drawings
100
Define Population
The population is a whole group of people being studied.
100
Priya asked her friends about their favourite TV shows. She got the following responses: House, House, Grey's Anatomy, Family Guy, House, Grey's Anatomy, Grey's Anatomy, House, The Simpsons, House A) Create a tally chart to show the frequency of responses.
House- 5 Grey's Anatomy-3 Family Guy- 1 The Simpsons- 1
100
Define Bias Questioning...
is trying to get a biased response out of people.
100
15+36=
51
200
Give an example of a pie chart (graph)
Students will display their drawings..
200
What is the name of the group where data is usually collected?
A Sample
200
Types of Ice cream: chocolate, vanilla, maple walnut, strawberry, strawberry, chocolate, chocolate, vanilla, vanilla, candy cane, candy cane, chocolate, vanilla, maple walnut, strawberry, vanilla. A) Construct a Tally Sheet B)Construct a Bar Graph C) Construct a pie Graph- Show your calculations!!!
Chocolate- 4 Strawberry-3 Vanilla- 5 Candy Cane- 2 Maple Walnut- 2 Chocolate 4/16- 25% Strawberry- 3/16- 18.75 Vanilla- 5/16- 31.25 Candy Cane- 2/16- 12.50 Maple Walnut 2/16 -12.50
200
Give an example of messages that can have bias'
advertisements, newspaper headings, statements...
200
14+22=
36
300
Tina, an employee of CBC decided to measure which hockey games a sample group of Nova Scotian's were watching on Saturday night. These are the numbers that she found. 200/500 were watching the Toronto Maple Leafs 150/500 were watching the Montreal Canadiens 75/500 were watching the Ottawa Senators 26/500 were watching the Edmonton Oilers 19/500 were watching the Pittsburgh Penguins 14/500 were watching the Winnipeg Jets 10/500 were watching the Calgary Flames 6/500 were watching the Vancouver Canucks Create a Piechart with the numbers given, show your calculations!!
40% Toronto 30% MC 15% OS 5.2% EO 3.8 % PP 2.8% WJ 2% CF 1.2% VC
300
What are three sampling techniques that can be used when gathering data? (think the different ways that surveys can be conducted)
By telephone, personal interview, or email/mail
300
Alyssa wanted to find out how many Nova Scotian's traveled during March Break. She went to the grocery store and asked the first 25 people that she saw, "did you do anything fun for March Break?" What are two problems that could arise from the way she is collecting this data.
The Question does not really cover what she wants to know. People could have stayed at home to have fun... Also, the sample size is not big enough to be an effective measurement.
300
Which question would produce an unbiased response? [a] "Do you like shiny black sports cars?" [b] "Are cats better than dogs?" [c] "Do you prefer water or pop?" [d] "Has the Prime Minister done a horrible job with the Budget?"
C. Do you prefer water or pop?
300
48+13=
61
400
What is a frequency table?
a method for organizing data collected.
400
What type of sampling technique would be best for determining what type of movies a class enjoys most? [a] Experiments [b] Surveys [c] Counting [d] Measuring
B. Surveys
400
What sports are most common in your classroom? Compose a question that you could ask your classmates to gather some data about the sports they enjoy.
Answers will vary depending on what students choose.
400
Create a biased question based on sports
Questions will vary depending on students thoughts.
400
18,000+12,000=
30,000
500
What are the three titles that need to be included in a bar graph chart?
Title The amount of variables measured (number of students) What you're measuring
500
Which of the following would be a suitable sampling technique to determine the time spent on various physical activities by people in one community? [a] Interviews conducted with various members at the curling club [b] A mail-in survey handed out to people registering to play indoor soccer [c] Every tenth person who goes into Sobeys being asked to fill out a survey [d] A survey given out to all Grade 11 students at the local high school during Homeroom
C. Every tenth person...
500
Gregory is setting up a concession stand at the community centre. He wonders what types of food he should sell. A) Describe the population he would be interested in B)Describe a sampling technique that Gregory could use. C)Write a survey question for him to ask.
500
Logan is doing a project for sociology class. He wants to find out people's opinions on lowering the legal drinking age to 18. **Design an unbiased survey question that Logan could use for his survey.
Questions will vary based on students' responses.
500
567+249
816
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