Measures of Centre + Symmetrical/Skewed Data

Presentation

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Mathematics

•

7th - 12th Grade

•

Practice Problem

•

Medium

•

CCSS

6.NS.B.3, 6.SP.B.4, 6.SP.B.5C

Standards-aligned

Isabella Bundesen

Used 1+ times

FREE Resource

8 Slides • 16 Questions

Measures of Centre and Symmetrical + Skewed Data

Warm Up

Use the following graph to answer the next question.

There will be other questions based on what we have learnt so far.

Multiple Choice

What type of graph was displayed for the data?

Column graph

Pie graph

Scatter plot

Histogram

Drag and Drop

True or False: the frequency is on the y-axis -

Drag these tiles and drop them in the correct blank above

True

False

Multiple Choice

The following graph is what type of graph?

Bar graph

Column graph

Histogram

Line graph

Multiple Choice

The largest bin (class interval) is what?

[4000, 5000]

[15000, 16000]

[1000, 2000]

[0, 1000]

Drag and Drop

True or False: The amount of money is on the x-axis -

Drag these tiles and drop them in the correct blank above

True

False

Dropdown

Categories that can be ordered is

data

Dropdown

Numerical data that can take on only a limited number of values, for example, no. of children in a family, is

data

Drag and Drop

The type of data for Nominal and Ordinal is

Drag these tiles and drop them in the correct blank above

Categorical

Numerical

Discrete

Continuous

Drag and Drop

The type of data for Discrete and Continuous is

Drag these tiles and drop them in the correct blank above

Categorical

Numerical

Nominal

Ordinal

To know how to find the measures of centre, mean and median, of a set of data

Learning Goals

Multiple Choice

Recall what is the mean?

The average

The most common

The middle number

The largest number

The middle values when data are placed in order.

2, 2, 2, 4, 5, 6, 7

4 is in the middle

Median

Mean

The two most common measures of centre are:

The highest value - the lowest value

The range for the data set to the left is:
7 - 2 = 5
The range is 5.

Range

The data value that occurs most frequently.

2, 2, 2, 4, 5, 6, 7
The mode is 2 as it occurs the most

Mode

More...

Use your data tables for the next few questions

Multiple Choice

What is the mode for number of siblings in our class?

Multiple Choice

What is the mean for number of siblings in our class?

2.4

Multiple Choice

What is the median foot size? Hint: you'll need to rearrange the data in order from smallest to largest.

9.5

9.75

9.25

Multiple Choice

What is the range in money in our bank accounts?

$16000

$15915

$5000

$85

Multiple Choice

What is the mode for favourite icecream?

Cookie Dough

Chocolate

Mango

Cookies & Cream

Home Stretch!

Data can be symmetrical or skewed

Yay! You're done.

Do MathsOnline now :)

Categorize

Options (3)

Organize these options into the right categories

Symmetrical

Positively skewed

Negatively skewed

Measures of Centre and Symmetrical + Skewed Data

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