mean, median and mode

Chapter 10

Data Analysis

​Usually it is use for the a small number of frequency

Dot Diagram

https://www.bing.com/videos/search?&q=Scatter+Plot+Graph&view=detail&mid=5D108C95436097DACE825D108C95436097DACE82&FORM=VDRVRV&ru=%2Fvideos%2Fsearch%3F%26q%3DScatter%2BPlot%2BGraph%26FORM%3DVDMHRS&ajaxhist=0

​​Scatter Graph

​​Line graph

​Usually it is use for the a small number of frequency

Pictogram

https://www.bing.com/videos/search?&q=Scatter+Plot+Graph&view=detail&mid=5D108C95436097DACE825D108C95436097DACE82&FORM=VDRVRV&ru=%2Fvideos%2Fsearch%3F%26q%3DScatter%2BPlot%2BGraph%26FORM%3DVDMHRS&ajaxhist=0

​​Bar Graph / histogram

​​Stem and leaf

​Mean, Median and Mode

https://www.khanacademy.org/math/cc-sixth-grade-math/cc-6th-data-statistics/mean-and-median/v/statistics-intro-mean-median-and-mode

Let's Try It

Multiple Choice

To find the .................. you add up all the numbers and then divide by how many numbers you have.

• Mean

• Median

• Mode

• Range

Multiple Choice

The value that occurs the most frequently in a data set is known as the .................. .

• Mode

• Mean

• Range

• Median

Multiple Choice

To find the .................. you put all numbers in order from least to greatest and then take the largest number minus the smallest number.

• Mean

• Median

• Mode

• Range

Multiple Choice

To find the .................. you put all numbers in order from least to greatest and find the number that is in the middle.

• Mean

• Median

• Mode

• Range

Multiple Choice

Determine the mean for the set of data.

23, 30, 26, 25, 21

• 21

• 25

• 26

• 30

Multiple Choice

What is the first thing you should do before finding the median or the mode?

• Start crossing numbers off

• Put numbers in order from least to greatest

• List the numbers how they are

• Look for repeats

Multiple Choice

Determine the median and mode for the set of data.

25, 15, 30, 25, 20, 15, 24

• median: 22, mode: none

• median: 22, mode: 15 and 25

• median: 24, mode: none

• median: 24, mode: 15 and 25

Multiple Choice

The weight of a group of Jubilatee Choir (in kg) were recorded as shown below.

55, 63, 58, 57, 66, 60, 59, 58

Find the median weight of the group of Jubilatee choir.

• 58

• 58.5

• 59

• 59.5

Multiple Choice

Calculate mean for the given data.

• 1.6

• 1.4

• 1.3

• 1.8

Fill in the Blanks

Find the median of the given data.

Draw

What is the mode of the data?

1

Multiple Choice

How many students were greater than or equal to 60 inches tall?

• 21

• 11

• 17

• 6

Multiple Choice

The value of X in the table is

• 32

• 70

• 35

• 38

Multiple Choice

Based on the diagram, the mode of the data is ....

• January

• March

• April

• June

​

​Here is data of number of dolls that a girl has from a survey in a class.

1. If the mean is 3.12 , find the value of x

2. If the median is 3, find the smallest value of x

3. if 2 is the mode, what is the greatest value of x?

​Quiz

​no of dolls a girl have	​frequency
​1	​4
2​	8
3​	3
4​	x​
5​	5​
6​	2​