Range and Iqr

Presentation

•

Mathematics

•

10th Grade

•

Hard

Joseph Anderson

FREE Resource

3 Slides • 12 Questions

Quartiles and IQR for grouped data

Lesson Objectives;

Draw a cumulative frequency graph.
Use the cumulative frequency graph to determine the Lower quartile, median and upper quartile.
calculate the IQR for grouped data.

Cumulative frequency graph and the IQR

Watch the video on the next slide about drawing and cumulative frequency graph and using it to determine the quartiles and inter-quartile range, make some notes and respond to the proceeding quiz.

Meet Google Drive – One place for all your files

You can open this webpage in a new tab.

Fill in the Blanks

What is the estimated IQR of this data set?

Type answer...

Multiple Choice

What is the median length?

40.5 cm

30 cm

24.5 cm

32 cm

Multiple Choice

What is the Lower Quartile Length?

28 cm

30 cm

33 cm

20 cm

Multiple Choice

What is the Upper Quartile Length?

28 cm

30 cm

33 cm

20 cm

Multiple Choice

What is the Interquartile Range?

28 cm

12 cm

33 cm

5 cm

Multiple Choice

Approximately how many items were longer than 34 cm?

None

7.5

Multiple Choice

Which is the correct cumulative frequency graph for the table given?

Multiple Choice

Fred carried out a survey of the time, in seconds, between one car and the next car on a road. His results are shown in the cumulative frequency graph. How many cars were in the survey?

A. 40 cars

B. 50 cars

C. 60 cars

D. 70 cars

E. 80 cars

Multiple Choice

What is the interquartile range for the given graph?

About 60

About 7

About 10

Not enough information

Multiple Choice

Using the graph, which of the following is the estimation of the first quartile?

Poll

True or False: The median and quartiles can be estimated using a cumulative frequency graph.

True

False

Multiple Choice

Quartiles and IQR for grouped data

Lesson Objectives;

Draw a cumulative frequency graph.
Use the cumulative frequency graph to determine the Lower quartile, median and upper quartile.
calculate the IQR for grouped data.

Show answer

Auto Play

Slide 1 / 15

SLIDE

Similar Resources on Wayground

13 questions

Properties of Real Numbers

Presentation

•

9th - 10th Grade

11 questions

Pythagorean Theorem

Presentation

•

9th - 11th Grade

9 questions

Direct & Inverse Variation

Presentation

•

10th Grade

11 questions

Area of Triangles

Presentation

•

10th Grade

12 questions

Two-Way Frequency Tables

Presentation

•

9th Grade

12 questions

Equation of a Circle

Presentation

•

9th Grade

13 questions

Trigonometry-Finding Missing Side

Presentation

•

10th Grade

11 questions

4.1 Translations

Presentation

•

10th Grade

Popular Resources on Wayground

10 questions

Safety Day 2026 – Student Review

Quiz

•

9th Grade

21 questions

Continents and Oceans

Quiz

•

6th Grade

20 questions

Parts of Speech

Quiz

•

5th Grade

16 questions

Subject & Predicate

Quiz

•

5th Grade

25 questions

Multiplication Facts

Quiz

•

5th Grade

12 questions

Map Skills

Quiz

•

3rd Grade

22 questions

Continents and Oceans

Quiz

•

5th Grade

15 questions

Rounding Decimals

Quiz

•

5th Grade

Discover more resources for Mathematics

10 questions

Exploring the Basics of Exponents

Interactive video

•

6th - 10th Grade

20 questions

Unit 5 Test RSC (25-26)

Quiz

•

10th Grade

12 questions

Identify Rigid Transformations

Quiz

•

8th - 12th Grade

10 questions

Complementary, Supplementary, Vertical, and Linear Pairs

Quiz

•

9th - 12th Grade

10 questions

Solving Two-Step Equations with Negatives

Interactive video

•

6th - 10th Grade

22 questions

Identify Vertical and Horizontal Translations

Quiz

•

9th - 12th Grade

10 questions

Exploring Equivalent Ratios and Ratio Tables

Interactive video

•

6th - 10th Grade

10 questions

Graphing Inequalities on a Number Line

Quiz

•

9th - 12th Grade