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Box Plots Introduction. How could box plots be used to display real world scenarios?. Warm-up. What number is equally far from 12 and 16? Find the median in the data list below 22, 15, 12, 17, 11, 12, 18. Teachers’ Archery Accuracy.

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box plots introduction

Box Plots Introduction

How could box plots be used to display real world scenarios?

warm up
Warm-up
  • What number is equally far from 12 and 16?
  • Find the median in the data list below

22, 15, 12, 17, 11, 12, 18

slide3

Teachers’ Archery Accuracy

  • How many have a skill level less than 10% accurate out of the 12 teachers?
  • How many have a skill level more than 15% accurate out of the 12 teachers?

Percent of shots that hit the target

slide4

Coach Smith is starting an after school archery club for this class. On the first day she had students shoot at a target 20 times. She then wrote each person’s accuracy on a card that she then gave to each student. Now, she wants to split up the class into four equal groups of similar skill. How can she determine who is in each group?

slide5

What is the minimum amount of people who should be in each group?

  • What should be the range in skill level for each of the four groups?
  • What should be the first step we should do as a class to organize the data in order to split up the groups?
find the ranges
Find the Ranges
  • Two ranges that represent 25% of the total class
  • Two ranges that represent 50% of the total class
  • Two ranges that represent 75% of the total class
high school accuracy rating 40 students
High School Accuracy Rating (40 students)
  • How many students are in each skills group?
  • What is the lower quartile value?
  • What is the third quartile value? What is another name for the third quartile?
  • What is the interquartile range of skills?
coaches accuracy ratings 8 coaches
Coaches’ Accuracy Ratings (8 Coaches)

Beginner

Expert

Advance

Beginner

Intermediate

  • How many coaches are in the expert stage? How do you know?
  • What is the best coaches’ accuracy?
  • Make up a possible set of accuracy ratings for the coaches in the intermediate stage
primary school students ratings 16 students
Primary School Students Ratings (16 students)

Expert

Beginner

  • How many students are in the interquartile?
  • What is the accuracy of the best primary school student?
  • What is a possible set of accuracy ratings for primary school students in the beginner stage?

Advance

Beginner

Intermediate

slide12

Teachers’ Archery Accuracy

  • How many have a skill level less than 10% accurate out of the 12 teachers?
  • How many have a skill level more than 15% accurate out of the 12 teachers?

Percent of shots that hit the target

begin homework

Begin Homework

How could box plots be used to display real world scenarios?