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QR Challenge: Unit 1&2 Ap Stat

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. What is a Categorical Variable? AType of Variable; words; no units
2. What is a Quantitative Variable?2 Type of Variable; no words; numbers; units2
3. What is a relative frequency table?3 A table table displays percentages; frequency3
4. What are Pie Charts and Bar Charts?4 Graphs that display distribution of categorical variables well4
5. What is a Contingency Table?5 Displays counts and percentages of individuals fall into named categories on two or more variables. Marginal and Conditional5
6. What is Marginal Distibution?6 The proportional breakdown of its categories; identifies the individual categories and the proportion of observations in each category6
7. What is Conditional Distribution?7 the distribution of a variable restricting the who to consider only a smaller group of individuals7
8. What is a Segmented Bar Graph?8 displays the conditional distribution of a categorical variable within each category of another variable well8
9. What is Range?9 max-min; doesn't really represent the data as a whole, since the min and max values can be very extreme9
10. What is IQR?10 Spread; measures variability; Upper Quartile - Lower Quartile; Used when distribution is not symmetrical (paired with median)10
11. What is Median11 Center, divides distribution into two equal parts; used when distribution is not symmetrical or skewed. Resistant to values that are extraordinarily large or small11
12. What is an outlier12 a point that does not fit the overall pattern in a scatterplot12
13. What are Scatterplots13 Scatterplots show the relationship between two quantitative variables13
14. What is an explanatory variable14 x-axis, predictor variable14
15. What is negative correlation15 pattern that runs from the upper left to the lower right in a scatterplot15
16. What is positive correlation16 a pattern that runs from the lower left to the upper right in a scatterplot16
17. Explain Correlation Vs. Association17 Association describes the relationship between two variables. correlation describes the strength and direction between quantitative variables17
18. What is a lurking variable18 a variable other than x and y that affects both variables18
19. What is correlation19 numerical measure of the direction and strength of a linear association19

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_Categorical_Variable?

Question 1 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_Quantitative_Variable?2

Question 2 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_relative_frequency_table?3

Question 3 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_Pie_Charts_and_Bar_Charts?4

Question 4 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_Contingency_Table?5

Question 5 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_Marginal_Distibution?6

Question 6 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_Conditional_Distribution?7

Question 7 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_Segmented_Bar_Graph?8

Question 8 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_Range?9

Question 9 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_IQR?10

Question 10 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_Median11

Question 11 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_an_outlier12

Question 12 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_are_Scatterplots13

Question 13 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_an_explanatory_variable14

Question 14 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_negative_correlation15

Question 15 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_positive_correlation16

Question 16 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=Explain_Correlation_Vs._Association17

Question 17 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_a_lurking_variable18

Question 18 (of 19)

 


Unit 1&2 Ap Stat: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_correlation19

Question 19 (of 19)