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QR Challenge: CHAPTER ONE:F&T

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. Q1. Use the data set {4, 8 , 12, 14, 14, 16, 16, 18,18, 20} to find each statistic:. range median IQR mean variance standard deviation 16, 15, 6, 14, 24, 4.899
2. Q2.Give the five-number summary of: 571,951 145,552 82,144 54,310 155,959 55,584, 1,045 30,862 44,817 261,797 56,804 53,927 minimum 1,045Q(1)=49,372 median = 56,194 Q(3)=150,755.5 maximum=571,951
3. Q3.Median=125,Q(1)is99 and IQR is 50. What is Q(3)?If x is an outlier what might it be? 149 less or equal to 24 greater or equal to 224
4. Q4 Which is affected more by extreme values, the mode, the mean or the median? mean
5. Q5 What is the 25th percentile , the 50th percentile and the 75th percentile called? Lower Quartile Median and Upper Quartile

 


CHAPTER ONE:F&T: QR Challenge

https://www.classtools.net/QR/decode.php?text=CHAPTER ONE:F&T
Q1/5:

Q1. Use the data set {4, 8 , 12, 14, 14, 16, 16, 18,18, 20} to find each statistic:. range median IQR mean variance standard deviation &choe=UTF-8

Question 1 (of 5)

 


CHAPTER ONE:F&T: QR Challenge

https://www.classtools.net/QR/decode.php?text=CHAPTER ONE:F&T
Q2/5:

Q2.Give the five-number summary of: 571,951 145,552 82,144 54,310 155,959 55,584, 1,045 30,862 44,817 261,797 56,804 53,927 &choe=UTF-8

Question 2 (of 5)

 


CHAPTER ONE:F&T: QR Challenge

https://www.classtools.net/QR/decode.php?text=CHAPTER ONE:F&T
Q3/5:

Q3.Median=125,Q(1)is99 and IQR is 50. What is Q(3)?If x is an outlier what might it be? &choe=UTF-8

Question 3 (of 5)

 


CHAPTER ONE:F&T: QR Challenge

https://www.classtools.net/QR/decode.php?text=CHAPTER ONE:F&T
Q4/5:

Q4 Which is affected more by extreme values, the mode, the mean or the median? &choe=UTF-8

Question 4 (of 5)

 


CHAPTER ONE:F&T: QR Challenge

https://www.classtools.net/QR/decode.php?text=CHAPTER ONE:F&T
Q5/5:

Q5 What is the 25th percentile , the 50th percentile and the 75th percentile called? &choe=UTF-8

Question 5 (of 5)