1/9/2014

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You Need:

On your desk to be graded during BW:

If you have any late work or make-up work, show me during

bellwork.

Monday, 1/6/14

Bellwork will be after the table of

contents update and will be from

the textbook.

Mrs. Rush, pass back test corrections

during TOC!Assignment# Title

57 Fraction Actions

58 Fraction Practice

59 BW 12/9-12/13

60 Fractions Practice Test

61 7.1 Stem&Leaf,Frequency,Line Plot

62 7.2 Mean, Median, Mode and Range

Math Notebook Table of Contents

Go DIRECTLY to room 667 tomorrow and

Friday. You will need to turn off cell

phones and put them in your backpack

(they can not be in your pockets or

anywhere on your person) and backpacks

will be placed in a corner of the room.

You will need a pencil and scratch paper.

You will need a new math notebook

by January 21st

(the first day of the second semester)

Remember, a 3 subject notebook is

best.

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Remember:

All late and make-up work is due January

10th…THIS Friday!

That includes any missed tests or quizzes.

Disciplinary stuff:

-ONE warning

-Essay detention with parent signature

-After school detention with parent signature, phone call home

-Referral

When is it NOT ok to talk?Why do you think we don’t talk during

those times?

When is it ok to talk?

7-1: Stem-and-Leaf Plots,

Frequency Tables, and Line Plots

#61

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Open your books to page

342.

Pg. 342 #2, 3, 5, 6, 7, 8, 9

Pg. 342 # 2, 3, 5, 6, 7, 8, 9

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

3 States had

more than

30 electoral

votes.

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

The most common number of votes was 15.

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

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Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

3 Presidents were in their 40’s when they

took office.

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

57 was the most common age that presidents

took office.

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9 Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

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Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9 Pg. 342 #1, 2, 3, 5, 6, 7, 8, 9

7-2: Mean, Median, Mode and Range

62 They are all used to answer the question:

What does this data REALLY mean?

Don’t copy.

You Need:

On your desk to be graded during BW:

If you have any late work or make-up work, show me during

bellwork.

Thursday, 1/9/14

Assignment# Title

58 Fraction Practice

59 BW 12/9-12/13

60 Fractions Practice Test

61 7.1 Stem&Leaf,Frequency,Line Plot

62 7.2 Mean, Median, Mode and Range

63 Graphic Organizer

Math Notebook Table of Contents

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Bellwork 1/9/14

Complete using the clickers only, this will not be an

assignment in your notebook.

Perimeter 1 _ 5 questionsBellwork 1/9/14

Bellwork 1/9/14 Bellwork 1/9/14

Bellwork 1/9/14 Bellwork 1/9/14

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7-2: Mean, Median, Mode and Range

62 They are all used to answer the question:

What does this data REALLY mean?

Don’t copy.

When or where have you heard people

talking about data?

For example, T.V. shows, commercials,

news?

What does this data REALLY mean?

A traveling sales person who sold super cool but

super expensive robots sold 1 robot on Monday, 3

on Tuesday, 0 on Wednesday, 7 on Thursday (a

good day for robots), 1 on Friday, 2 on Saturday, 0

on Sunday, and 2 on the following Monday.

Don’t copy.

What does this data REALLY mean?

A traveling sales person who sold super cool but

super expensive robots sold 1 robot on Monday, 3

on Tuesday, 0 on Wednesday, 7 on Thursday (a

good day for robots), 1 on Friday, 2 on Saturday, 0

on Sunday, and 2 on the following Monday.

He happens to be trying to convince you to

become a robot sales person also.

He brags to you that he sells an average of 3 robots

a day and makes a profit of $100 on each robot.

Don’t copy.

Mean

What would happen if we spread out the data

evenly?(also known as “average”)

Copy

Mo

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ay

Tue

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We

dn

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Th

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Frida

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Sa

turd

ay

Su

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Mo

nd

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What would happen if we spread out the data evenly?

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Mo

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Tue

sda

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We

dn

esd

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Th

ursd

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Frida

y

Sa

turd

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Su

nd

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Mo

nd

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What would happen if we spread out the data evenly?

Did he actually sell an average of 3 robots per

day?

Mean(also known as “average”)

Mean = The sum of the data values

Number of data values

Copy

Mean(also known as “average”)

Mean = The sum of the data values

Number of data values

Copy

Add them all up �.

Mean(also known as “average”)

Mean = The sum of the data values

Number of data values

Copy

Add them all up �.

↑ How many

numbers you added.

� ÷

Mean(also known as “average”)

Mean = The sum of the data values

Number of data values

Copy

Add them all up �.

↑ How many

numbers you added.

� ÷

Mo

nd

ay

Tue

sda

y

We

dn

esd

ay

Th

ursd

ay

Frida

y

Sa

turd

ay

Su

nd

ay

Mo

nd

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What would happen if we spread out the data evenly?

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Mo

nd

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Tue

sda

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We

dn

esd

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Th

ursd

ay

Frida

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Sa

turd

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Su

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Mo

nd

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What would happen if we spread out the data evenly?

Did he actually sell an average of 3 robots per

day?

Mean Mean = The sum of the data values = 16

Number of data values 8

Mo

nd

ay

Tue

sda

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We

dn

esd

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Th

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Frida

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Sa

turd

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Su

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Mo

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He sold an average of 2 robots a day.

You Try!

Joe saved $110 when switching to Lizard for car

insurance. Sue saved $15 when switching to

Lizard. Allison saved $16 when switching to

Lizard. What is the average amount of money

you could save by switching to Lizard for car

insurance?

Median(what is a “median” when you’re driving?)

The Median is the _______value of an odd number

of data items arranged in order.

For a number of data items, the median is the mean of the

two middle values.

Copy

Median(what is a “median” when you’re driving?)

The Median is the middle value of an odd number

of data items arranged in order.

For a number of data items, the median is the mean of the

two middle values.

Copy

Median(what is a “median” when you’re driving?)

The Median is the middle value of an odd number

of data items arranged in order.

For an even number of data items, the median is the mean of

the two middle values.

Copy

1, 3, 15, 7, 9

Rearrange then

cross out!

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Median(what is a “median” when you’re driving?)

For an even number of data items, the median is the

mean of the two middle values.

Copy

Median(what is a “median” when you’re driving?)

For an even number of data items, the median is the

mean of the two middle values.

Copy

1, 7, 15, 2

Rearrange then

cross out!

Median

The Median is the middle value of an odd number of data

items arranged in order.

For an even number of data items, the median is the mean

of the two middle values.

1, 3, 0, 7, 1, 0, 2, 2↑

Find the median number of robots our salesman sold!

Mode

The Mode is the value or values that occur the most often.

If all of the data values occur the same number of times, there is no

mode.

Copy

Mode

The Mode is the value or values that occur the most often.

If all of the data values occur the same number of times,

there is no mode.

Copy

Mode

The Mode is the value or values that occur the most often.

If all of the data values occur the same number of times,

there is no mode.

1, 3, 0, 7, 1, 0, 2, 2

↑

Find the mode of the number of robots our salesman sold!

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Range

The Range is the difference between the greatest and the

least values.

Copy

Range

The Range is the difference between the greatest and the

least values.

1, 3, 0, 7, 1, 0, 2, 2

Copy

↑

Find the range of the number of robots our salesman sold!

You Try!

Find the mean, median, mode and range of

the data set.

2, 1, 8, 0, 2, 4, 3, 4, 5

Outlier: An extreme value.

They greatly effect the MEAN of

a data set.

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On Your Classwork :

IGNORE

the textbook’s

instructions!

On Your Classwork:

Find the Mean, Median, Mode, and

Range for every problem.

For #15 ALSO draw the Stem-and-Leaf plot