Bivariate Data

Bivariate Data Assessment 

Link 

The Vitruvian Man is a drawing made by the Italian polymath Leonardo da Vinci in about 1490. Vitruvian Man depicts man in two superimposed positions with his arms and legs apart and inscribed in a circle and square. He represents the beauty, complexity, and symmetry of the human frame

Problem - Do we have perfect body proportions in this class as per. Is the same as your height, participant, population, sample 

Plan - First we are going to take off our shoes and put both arms up, And start measuring from fingertip to fingertip is the same as your height  

Errors - Leaving shoes on when measuring 

Not measuring to the top of the hand but measuring at the top of your hair 

Data - We need to capture the data of our height and arm span 

Participants - Our participants will be the population of all year 11 boys in our maths class, and we will be taking a sample out of the population to measure 

Plan 

Instruction 

control /Error to avoid 

Repeat 

 

Data 

How the capture the data 

Capture the data 

PROBLEM:

Q - What is the Question

P - Population, Who is the participants - Gives an a sample

V -  Variables, Anables & Values - Arm Span, Measuring, Units

R - Relationship - Find a partner that match you

PLAN:

S - Steps by steps, Data Capture

C - Control a Variables

C - Conditions

R - Repeat

First Ask the class to take their shoes off

And stand straight against the wall when they stand straight, make sure they're not on their tippy-toes and start using a tape measure to measure their height starting from the feet to the top of their head. We are going to use a ruler to put it on top of their head to make it balanced and measure it. We have to record the measurements in meters of the table. For the wingspan we will need to front of the whiteboard and arm straight and start with a measuring tape. 

 

Analysis

T- Trend -  Nonlinear Scatter Graph

D- Direction -  Decreasing Nonlinear Graph

S- Strength -  Nonlinear Graph

U- Unusual -  There is 1 student is out of the line

 

Conclusion: Do we have a perfect body proportion in our year 11 maths class, Yes we do but 1 student is out of the line, The data that I have capture is a nonlinear scatter graph 

Graphs

 Graphs are a great way to visualize data and display statistics. For example, a bar graph or chart is used to display numerical data that is independent of one another. Incorporating data visualization into your projects is essential when working with numbers statistics.

Bar Graph

A bar graph can be defined as a chart or a graphical representation of data, quantities or numbers using bars or strips. Bar graphs are used to compare and contrast numbers, frequencies or other measures of distinct categories of data. Bargraph are used to compare things between different groups or to track changes over time.

Line Graph 

Line graphs are used to track changes over short and long periods of time. When smaller changes exist, line graphs are better to use than bar graphs. Line graphs can also be used to compare changes over the same period of time for more than one group. 

Pie graph 

Pie charts can be used to show percentages of a whole, and represents percentages at a set point in time. Unlike bar graphs and line graphs, pie charts do not show changes over time.

Scatter plot graph 

Scatter plots' primary uses are to observe and show relationships between two numeric variables. The dots in a scatter plot not only report the values of individual data points, but also patterns when the data are taken as a whole. Identification of correlational relationships are common with scatter plots.

A bubble chart is primarily used to depict and show relationships between numeric variables. The addition of marker size as a dimension allows for the comparison between three variables rather than just two.

What I do in holidays

Sup guys my name is Zapatista Barros I'm 16 years old and I'm from Timor - Leste if you don't know that is its above Australia and Indonesia. I came to new Zealand to study  I've been  here for 2 years know and stay here with aunty veronica with her 2 kids we live in 6 little oaks drive near Gilberthorpe school. I have 2 brothers and 2 sisters in Timor-Leste 

 

Last year on December my family and I went to Wallington. First we went to the zoo and we saw lots of monkeys and animals. We also went to water park, it was very fun because there were buckets of water splashing everywhere and my little sister and I got wet. The next day my mum and dad took us to water fall Grove in Wallington it was so big with lots of things to do. my favorite things in there was staring at waterfall. my family and I come back to Christchurch in January  

Bivariate Data

 Problem - Do we have perfect body proportions in this class as per. Is the same as your height, participating, population, sample 

Plan - First we are going to take off our shoes and put both arms up, And start measuring from fingertip to fingertip is the same as your height  

Data - We need to capture the data of our height and arm span 

Analysis - 

Conclusion - 

Bivariate Data Assessment 

Participants - Our participants will be the population of all year 11 boys in our maths class, and we will be taking a sample out of the population to measure 

Plan 

Instruction 

control /Error to avoid 

Repeat 

 

Data 

How the capture the data 

Capture the data 

Plot the data 

Q - What is the Question

P - Who is the participants - Gives an a sample

V -  Enables & Values - Arm Span, Measuring, Units

R - Relationship - Find a partner that match you

Ask the class to take their shoes off

And stand straight against the wall when they stand straight, make sure they're not on their tippy-toes and start using a tape measure to measure their height starting from the feet to the top of their head. We are going to use a ruler to put it on top of their head to make it balanced and measure it. We have to record the measurements in meters of the table. For the wingspan we will need to front of the whiteboard and arm straight and start with a measuring tape.

S - Steps by Steps

C - Control a Variables

C - Conditions

R - Repeat

Measurement

 Bookshelf  : height - 1200mm, width - 1150mm

White board : height - 1200, width - 1200mm

Door : height - 2.10m, width, 850mm

Tabletop : height - 110mm, width - 850mm

Vitruvian man

 Vitruvian Man 

                                        Here is a Picture of Vitruvian man 

Vitruvian Man Is an Artist Leonardo da Vinci 

Who is Vitruvian Man?

The Vitruvian Man is a drawing made by the Italian polymath Leonardo da Vinci in about 1490. Vitruvian Man depicts man in two superimposed positions with his arms and legs apart and inscribed in a circle and square. He represents the beauty, complexity, and symmetry of the human frame 

Data 

How the capture the data 

Capture the data 

Plot the data 

Q - Question - Who have the perfect body proportion in in our class

P - Participants - Who is the participants -  Our participants will be the population of all year 11 boys in our maths class, and we will be taking a sample out of the population to measure

V -  Variables, Enables & Values - Arm Span, Measuring, Units height in meters and the response variable in the length of arm spring in meters

R - Relationship - Find a partner that match you

S - Steps by steps, Data Capture

C - Control a Variables

C - Conditions

R - Repeat

Data 

Perfect Body Data Capture

Subject	Height M	Armspring M
Zapa
Subby
Matthew
Zion
Rusi
Jermayne
David
Caw
Andre
Braydon
Adelaide

Wananga

  

School

Important Dates : 

- Mock Exam week in week 7 and 8

- Football games  don't know when is the final 

Personal : 

- Friends Birthday on 1/September/2021

- Football Tournament  26/September/2021 

My Goal For Term Three is...

- Improve my Lateness 

- Improve my Attitude 

- Improve my Health 

- Build a good study health 

- Make time to read 

 

how to calculate volume

 Whereas the basic formula for the area of a rectangular shape is length x Width, the basic formula for volume is length s width s height. 

Maths Circle Facts and terminology

Circle is the the distance around it. Diameter Any straight line that passes through center of the circle to two points on the perimeter. Radius Any Straight line that originates at center of circle and ends at the perimeter. 

Maths how to calculate volume

What Do We Mean By Volume

1.What do we mean by Volume?

Volume is the amount of space inside of an object so like a 3d shape if we want to measure the volume of a square we need to measure how much is inside of it.

What do we mean by volume?

- the amount of space that a substance or object occupies or that is enclosed within a container.

How do we measure it?

- In math, the volume is the amount of space in a certain 3D object. For example, a fish tank has 3 feet in length, 1 foot in width, and two feet in height. To find the volume, you multiply length times width times height, which is 3x1x2, which equals six. So the volume of the fish tank is 6 cubic feet.

Is there a conversion to liters?

- A liter is a cubic decimetre, which is the volume of a cube 10 centimeters × 10 centimeters × 10 centimeters (1 L ≡ 1 dm3 ≡ 1000 cm3). Hence 1 L ≡ 0.001 m3 ≡ 1000 cm3 and 1 m3 (i.e. a cubic meter, which is the SI unit for volume) is exactly 1000 L.

The volume of a rectangle

- To find the volume of a rectangle, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

The volume of a cylinder

- A cylinder's volume is π r² h, and its surface area is 2π r h + 2π r²

The volume of a prism 

-Volume of a rectangular prism = (length x width x height) cubic units. V = (l x w x h) cubic units

The volume of a barrel

- Formula. Barrel Volume = πh12 (2D² + d²

The volume of a cone

There is a kiddy pool in the back garden it is 3 meters wide 8 meters long and we can only fill it 1.2m high.

- How much water does it take to full?

to calculate I use 

lxbxh

3 x 8 x l.2 = 28.8

I know that 1m3 = 1 liter = 1000cm3

28.8 x 1000 = 28800 liter

-the pool is on a deck how heavy is it?

3m x 8m x 1.2m = 28.8M3

1l = 1kg

28.8 x 1000 = 28800kg

There is a trailer of barrels 

Each barrel is 1.5m high with a diameter of 0.75m

how much weight is on the trailer

0.75/2 = 0.375

3.142 x 0.375 x 2 = 2.3565m2

2.3565 x 1000 - 2356.5

2356.5 x 6 = 14139L

M3

Cm3

Mm3

Maths Triangle Facts

 1. Triangle Facts? 

- The sum of all the internal angles of a triangle is always 180o no matter how the triangle is constructed.

- The length of any sides of the triangle is shorter than the sum of the other two sides. 

- A triangle can always be split into two right triangles no matter how the triangle is constructed.

- A triangle is polygon with three edges and three vertices. it is one of the basic shapes in geometry. A triangle with a vertices A,B, and C

2. Types of Triangles?

The sum of angles is any triangle is 180

The equilateral triangle has three equal sides and angles 

An isosceles triangle can be drawn in many different ways

A right-angled triangle has one 90 angle 

3. Pythagoras? who, when, what, where 

Who invented Pythagoras  

- Nevertheless, the theorem came to be credited to Pythagoras. It is also proposition number 47 from Book I of Euclid's Elements. According to the Syrian historian Iamblichus (c. 250–330 ce), Pythagoras was introduced to mathematics by Thales of Miletus and his pupil Anaximander.

What did Pythagoras invent?

- He is mainly remembered for what has become known as Pythagoras' Theorem (or the Pythagorean Theorem): that, for any right-angled triangle, the square of the length of the hypotenuse (the longest side, opposite the right angle) is equal to the sum of the square of the other two sides (or “legs”).

Where Pythagoras is used 

- The Pythagorean is used to calculate the steepness of slopes of hills or mountains. 

When was Pythagoras discovered

- was first known in ancient Babylon and Egypt (beginning about 1900 B.C.). The relationship was shown on a 4000 year old Babylonian tablet now known as Plimpton 322. However, the relationship was not widely publicized until Pythagoras stated it explicitly.

Theorem 

How does it work 

 theorem states that for all right-angled triangles, 'The square on the hypotenuse is equal to the sum of the squares on the other two sides'. The hypotenuse is the longest side and it's always opposite the right angle.

 

Freedom Writter

 At school Gruwell intercepts a racist drawing of one of her students and uses it to teach the about Holocaust. she gradually begins to earn their trust and buys them a book to record their dairies, in which they talk about their experience of being abused, seeing their friends die, and being evicted.  

Maths Mean, Median, Mode

 Write a blog post and explain what mean, median, mode 

MEAN - Is found  by adding all of the numbers together and dividing by the numbers of items in the set 

Identify - 10 + 10 + 20 + 40 + 70 / 5 = 30 

Who invented Mean?

The Belgian statistician Quetelet (1796-1874), famous as the inventor of l'homme moyen, the average man, was one of the first scientists to use the mean as tyhe representative value for an aspect of a population.

Mode: The mode is the number that occurs most often in a data set. To find the mode or modal value, it is best to put the numbers in order. Then count how many of each number. A number that appears most often is the mode.

Who Invented Mode?

Early use of the statistical concept of the mode was by English mathematician Karl Pearson (1857-1936) in 1895 

Median: The middle number; found by ordering all data points and picking out the one in the middle (or if there are two middle numbers, taking the mean of those two numbers). Example: The median of 4, 1, and 7 is 4 because when the numbers are put in order (1 , 4, 7) , the number 4 is in the middle.

Who invented Median?

An early use in English of the statistical concept of median was Francis Galton's (1822-1911) 

Reading Reflection

 Shaun The Sheep 

Tales from Mossy Bottom Farm 

Written by Martin Howard with illustrations by Andy Shaun

Cast: Justin Fletcher, John Sparkes, Kate Harbour, Rich Webber, Jo Allen

Program creators: Richard Starzak, Nick Park

Writers: Richard Starzak, Alison Snowden, Robin Crowther-Smith, Ian Carney, Glenn Dakin, Trevor Ricketts, David Fine,

                                            Reading Reflection 

Reading skill is my favorite skill to learn English 

Shirley from Shaun the Sheep is an eating machine with a particular fondness for pizza. She's so big that she often get stuck and needs the other sheep to push, pull, or even slingshot her to safety.

Timmy He may be baby of the flock, but timmy is often at the center of things. It's good thing his mum is always there to keep him safe from other bad things.