Agenda: 1) Objective & Bell ringer 2) Cornell Notes: Topic= Mean, Median, Mode & Range 3) Analyze and Calculate % Mastery by Standard 4) Explain & Model

Agenda: Agenda: 1) Objective & Bell ringer 1) Objective & Bell ringer 2) Cornell Notes: Topic= Mean, Median, Mode & 2) Cornell Notes: Topic= Mean, Median, Mode & Range Range 3) Analyze and Calculate % Mastery by Standard3) Analyze and Calculate % Mastery by Standard4) Explain & Model all tasks (calculations, 4) Explain & Model all tasks (calculations, graphing, etc…)graphing, etc…)5) Work on packet5) Work on packet

Homework: Homework: Due Tomorrow! Due Tomorrow! 1) Finish worksheet1) Finish worksheet2) Plot your data and answer questions2) Plot your data and answer questions3) Have packet signed by your parent and have 3) Have packet signed by your parent and have him/her fill in the “comments section” him/her fill in the “comments section” 4) Write correct answers on exam and put 4) Write correct answers on exam and put explanation of why you got them wrong next to explanation of why you got them wrong next to question. question.

Mean, Median, Mode Mean, Median, Mode & Range& Range

Analysis and Reflection of your Exam Data

Objective: SWBAT calculate their percent mastery by standard and reflect on how study habits affected the outcome.SWBAT analyze the data and determine the mean, median, mode and rangeSWBAT plot the data in a bar graphBellringer: How much time

did you spend studying for this exam?

5 min…



4 min…



3 min…



2 min…



1 min…



30 sec…



10 sec…

Time is up ! Please Pass your bell ringer in

(RIGHT NOW) You should be setting up your Cornell Notes….

Reflection Question(s): Which topics covered do you think you understand the best? Does your data correlate?

2 min…


1 min…


30 sec…


10 sec…

Vocabulary Review•Quantitative data – contains a number and unit

•Content Mastery by Standard – the percentage of correct answers for each Illinois Science Standard (actual vs possible points). 80% is considered mastery.

Copyright © 2000 by Monica Yuskaitis

Definition

MeanMeanMeansMeans

AverageAverage


Definition

•MeanMean – the average of a group of numbers.

2, 5, 2, 1, 5Mean = 3Mean = 3


How to Find the Mean of a Group of Numbers

•Step 1 – Add all the numbers.

8, 10, 12, 18, 22, 26

8+10+12+18+22+26 = 96



•Step 2 – Divide the sum by the number of addends.

8, 10, 12, 18, 22, 26

8+10+12+18+22+26 = 96 How many addends are there?



•Step 2 – Divide the sum by the number of addends.

6)96 sum# of addends1

636

6

63



The mean or average of these numbers is 16.

8, 10, 12, 18, 22, 26


What is the mean of these numbers?

26, 33, 41, 52

38


Definition

MeMeddianian

is in theis in the

MiMiddddlele


Definition•MedianMedian – the middle number in a set of ordered numbers.

1, 3, 7, 10, 13Median = 7Median = 7


How to Find the Median in a Group of Numbers

•Step 1 – Arrange the numbers in order from least to greatest.

21, 18, 24, 19, 27

18, 19, 21, 24, 27



•Step 2 – Find the middle number.

21, 18, 24, 19, 27

18, 19, 21, 24, 27



•Step 2 – Find the middle number.

18, 19, 21, 24, 27

This is your median number.



•Step 3 – If there are two middle numbers, find the mean of these two numbers.

18, 19, 21, 25, 27, 28



•Step 3 – If there are two middle numbers, find the mean of these two numbers.

21+ 25 = 46

2) 46 23 median


What is the median of these numbers?

29, 8, 4, 11, 19

114, 8, 11, 19, 29


What is the median of these numbers?

31, 7, 2, 12, 14, 19

132, 7, 12, 14, 19, 31

12 + 14 = 26 2) 26


Definition

ModeMode

is the mostis the most

PopularPopular


Definition•ModeMode – the number that appears most frequently in a set of numbers.

1, 1, 3, 7, 10, 13Mode = 1Mode = 1


How to Find the Mode in a Group of Numbers


21, 18, 24, 19, 18

18, 18, 19, 21, 24


How to Find the Mode in a Group of Numbers

•Step 2 – Find the number that is repeated the most.

21, 18, 24, 19, 18

18, 18, 19, 21, 24


Which number is the mode?

29, 8, 4, 8, 19

84, 8, 8, 19, 29


Definition

RangeRange

is the distanceis the distance

BetweenBetween


Definition•RangeRange – the difference

between the greatest and the least value in a set of numbers.

1, 1, 3, 7, 10, 13Range = 12Range = 12


How to Find the Range in a Group of Numbers


21, 18, 24, 19, 27

18, 19, 21, 24, 27



•Step 2 – Find the lowest and highest numbers.

21, 18, 24, 19, 27

18, 19, 21, 24, 27



•Step 3 – Find the difference between these 2 numbers.

18, 19, 21, 24, 27

27 – 18 = 9The range is 9


What is the range?

29, 8, 4, 8, 19

29 – 4 = 25

4, 8, 8, 19, 29

The PPT is now complete and may be viewed again at butler.harlanstem.org, but your notes are not yet complete!

* Switching to the ELMO for modeling of content mastery calculations and plotting a graph review*

Please remember to complete your C.N. summary and the “mastery packet” for homework.

Documents

Agenda: 1) Objective & Bell ringer 2) Cornell Notes: Topic= Mean, Median, Mode & Range 3) Analyze and Calculate % Mastery by Standard 4) Explain & Model