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5 Minute Check. Find. Complete in your notebook. 1. Michelle read 55.6 pages of her book on Monday and Tuesday. If she read the same numbers of pages each day, how many pages did she read each day?

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5 Minute Check

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5 minute check

5 Minute Check

Find. Complete in your notebook.

1. Michelle read 55.6 pages of her book on Monday and Tuesday. If she read the same numbers of pages each day, how many pages did she read each day?

2. Sonya went to a baseball game. She paid $10.50 for admission. She bought a drink for $2.75, popcorn for $4.60, and a hotdog for $3.75. How much did she spend total?

3. The Chen family drove 345.6 miles in 3 days. If they drove the same amount each day, how many miles did they drive each day?


5 minute check1

5 Minute Check

Find. Complete in your notebook.

1. Michelle read 55.6 pages of her book on Monday and Tuesday. If she read the same numbers of pages each day, how many pages did she read each day?


5 minute check2

5 Minute Check

Find. Complete in your notebook.

1. Michelle read 55.6 pages of her book on Monday and Tuesday. If she read the same numbers of pages each day, how many pages did she read each day?

55.6 ÷ 2 = 27.8


5 minute check3

5 Minute Check

Find. Complete in your notebook.

2. Sonya went to a baseball game. She paid $10.50 for admission. She bought a drink for $2.75, popcorn for $4.60, and a hotdog for $3.75. How much did she spend total?


5 minute check4

5 Minute Check

Find. Complete in your notebook.

2. Sonya went to a baseball game. She paid $10.50 for admission. She bought a drink for $2.75, popcorn for $4.60, and a hotdog for $3.75. How much did she spend total?

10.50 + 2.75 + 4.60 + 3.75 = $21.60


5 minute check5

5 Minute Check

Find. Complete in your notebook.

3. The Chen family drove 345.6 miles in 3 days. If they drove the same amount each day, how many miles did they drive each day?


5 minute check6

5 Minute Check

Find. Complete in your notebook.

3. The Chen family drove 345.6 miles in 3 days. If they drove the same amount each day, how many miles did they drive each day?

345.6 ÷ 3 = 115.2 miles per day


5 minute check

Flashcards


Monday march 17

Monday, March 17

Chapter 11.1/11.2

Mean, Median and Mode


Mean median and mode

Mean, Median and Mode

Objective: To find and interpret the mean, median and mode from a data set.


Mean median and mode1

Mean, Median and Mode

At the end of this lesson you should be able to answer the following question.

How are mean and median similar?


Mean median and mode2

Mean, Median and Mode

The mean, median and mode are called measures of center because they describe the center of the data set.


Mean median and mode3

Mean, Median and Mode

The mean (or average) of a data set is the sum of the data divided by the number of pieces of data.

It is the balance point of the data set.


Mean median and mode4

Mean, Median and Mode

The mean (or average) of a data set is the sum of the data divided by the number of pieces of data.

The median of a data set is the value at the center of an ordered set, or the mean of the two central values.


Mean median and mode5

Mean, Median and Mode

The mean (or average) of a data set is the sum of the data divided by the number of pieces of data.

The median of a data set is the value at the center of an ordered set, or the mean of the two central values.

The mode is the number or numbers that appears most often in a data set.


Mean median and mode6

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

To Find the Mean.

Step 1 – Add the numbers in the data set.


Mean median and mode7

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

93+85+88+97+94+90+93=640

To Find the Mean.

Step 1 – Add the numbers in the data set.


Mean median and mode8

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

93+85+88+97+94+90+93=640

To Find the Mean.

Step 2 – Divide the sum by how many numbers are in the data set.


Mean median and mode9

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

93+85+88+97+94+90+93=640

640 ÷ 7= 91.4

To Find the Mean.

Step 2 – Divide the sum by how many numbers are in the data set.


Mean median and mode10

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

93+85+88+97+94+90+93=640

640 ÷ 7= 91.4

Caution: If you are using a calculator , use parenthesis around the added numbers prior to dividing.


Mean median and mode11

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

To Find the Median.

Step 1 – Order the data set from least to greatest.


Mean median and mode12

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

85, 88, 90, 93, 93, 94, 97

To Find the Median.

Step 1 – Order the data set from least to greatest.


Mean median and mode13

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

85, 88, 90, 93, 93, 94, 97

To Find the Median.

Step 2– Find the middle number or the mean of the two middle numbers.


Mean median and mode14

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

85, 88, 90, 93, 93, 94, 97

To Find the Median.

Step 2 – Find the middle number or the mean of the two middle numbers.


Mean median and mode15

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

85, 88, 90, 93, 93, 94, 97

To Find the Mode.

Find the number, or numbers that occur most often.


Mean median and mode16

Mean, Median and Mode

Dave recorded his 7 tests scores on the table. Find the mean, median and mode. Round to the tenth, if needed.

Mean – 91.4

Median – 93

Mode - 93


Mean median and mode17

Mean, Median and Mode

Find the mean, median and mode of the temperatures on the graph. Round to the tenth, if needed.

Do this on your own.


Mean median and mode18

Mean, Median and Mode

Find the mean, median and mode of the temperatures on the graph. Round to the tenth, if needed.

Mean

64.4 + 71.2 + 55.8 + 58.2= 249.6

246.6 ÷ 4 = 62.4


Mean median and mode19

Mean, Median and Mode

Find the mean, median and mode of the temperatures on the graph. Round to the tenth, if needed.

Median

55.8, 58.2, 64.4, 71.2

58.2 + 64.4 = 122.6

122.6 ÷ 2 =61.3


Mean median and mode20

Mean, Median and Mode

Find the mean, median and mode of the temperatures on the graph. Round to the tenth, if needed.

Mode

Since no numbers occur

more than once, there is

no mode.


Mean median and mode21

Mean, Median and Mode

A stem and leaf plot organizes data from least to greatest. The “stem” is the first digit and the “leaf” is the second digit in each number.

For example, in the number 32, the “3” would be the “stem” and the “2” would be the “leaf”.


Mean median and mode22

Mean, Median and Mode

What is the mean, median and mode of the data in this stem and leaf plot?

Do this on your own.


Mean median and mode23

Mean, Median and Mode

What is the mean, median and mode of the data in this stem and leaf plot?

Mean

78+85+88+89+92+96= 718

718 ÷ 6 = 75


Mean median and mode24

Mean, Median and Mode

What is the mean, median and mode of the data in this stem and leaf plot?

Mean

78+85+88+89+92+96= 718

528÷ 6 = 88


Mean median and mode25

Mean, Median and Mode

What is the mean, median and mode of the data in this stem and leaf plot?

Median

78,85,88,89,92,96

88 + 89 = 88.5


Mean median and mode26

Mean, Median and Mode

What is the mean, median and mode of the data in this stem and leaf plot?

Mode

There is no mode.


Mean median and mode27

Mean, Median and Mode

What is the mean, median and mode of the cost of juice?

Do this on your own.


Mean median and mode28

Mean, Median and Mode

What is the mean, median and mode of the cost of juice?

Mean

1.65+1.97+2.45+2.87+2.35+3.75+2.49+2.97= 20.50

20.50 ÷ 8 = 2.56


Mean median and mode29

Mean, Median and Mode

What is the mean, median and mode of the cost of juice?

Mode

2.87


Mean median and mode30

Mean, Median and Mode

Mike raked the leaves from 6 lawns. He earned $12, $10, $13, $15, and $15 for five lawns. How much did he earn the sixth time if the mean of the data is $12?

Do this on your own.


Mean median and mode31

Mean, Median and Mode

Mike raked the leaves from 6 lawns. He earned $12, $10, $13, $15, and $15 for five lawns. How much did he earn the sixth time if the mean of the data is $12?

12 + 10 + 13 + 15 + 15 + x = 12 · 6

65 + x = 72

-65 -65

x = 7


Mean median and mode32

Mean, Median and Mode

How are mean and median similar?


Mean median and mode33

Mean, Median and Mode

Agenda Notes

Homework–

Homework Practice 11-1/11-2

Due Tuesday, March 18

Mid-Chapter Quiz –

Thursday, March 20


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