Maths lit and economics

Maths lit and economics This page was started to help students from grade 10 to 12 with maths lit. Life sciences and economi

10/09/2021

Grade 12s last push economics if u need clarity on some of the topics drop ur tens 4 a watsupp group chatt🙏

02/09/2021

Good evening

This post is specifically for maths lit learners.
If you are interested in a whatsapp group chat please drop your whatsapp number

12/08/2021

Matrics u are now heading to prelims the most fascinating exams ever ,let us help u soldier on our platform is open 4 help and discussion 100% asijiki

14/07/2021

This msg is strictly for learners in grade12 residing in Meadowlands and Dobsenville.
For those of you doing maths lit if you need a face to face lecture please inbox.
It will be for free

30/05/2021

Dear Students.

We would like to inform all of you that we only offer help in Maths lit and Economic.

Please note.
If you have an assignment. Come forward at least 2 nights before the due date. We will no longer assist if your work is due in the next 24hours.

Thank you

08/05/2021

Good evening Grade12s we welcome u to term 2 hoping u did well on term one ,now this term is not hard just a lil bit challenging need more focus bcose we Will be dealing with graphs on economics stay tuned we are with u guys

22/04/2021

Protectionism this is where by the government protect locally infant industries against illegal duping of products and exploitation of prices.

Free Trade this is where by export and import takes place between various countries to enhance economic growth and new innovations of technology,competition is key but with regulated laws of competition act by the government

12s brace urselfs

24/03/2021

Economics:

Stagflation is high unemployment,low standard of living and high inflation ,note that the inflation rate is 3%to 6%.for more information ask questions ask questions on a page. are here 4 u .

19/03/2021

Maths lit

Data handling

* Basically what we are looking at is statistics
= you will learn how to SUMMARISE. REPRESENT and ANALYSE data that contain multiple sets of data and multiple categories.

Eg.. working with vehicle statistics containing information on the number of different types of none-roadworthy vehicle in each province in SA

= work with data that contains complex values
Eg. Value expressed in millions or large data values for which estimation may be necessary to determine values or graphs and tables

= Work with data that also relates to national and global issues.

Emaple
Here are final results in percentages for two groups in grade 12

Group 1
28-36-37-42-48-52-53-55-56-58-59-60-61-62-63-63-65-78-79-93-97

Group2
50-52-53-54-54-54-57-58-58-60-63-63-64-65-65-66-72-81

Which group performed best?
NO ONE WAY OF ANALYSING THIS IS TO CALCULATE THE MEASURES OF CENTRAL TENDENCY FOR EACH GROUP.

Pay close attention to the following

Mean
Method
Total of all data ÷ number of data

Group 1
1245÷21=59,6%
Group 2
1089÷18=60,5%

Median
Method
Middle value in an ordered data set

Group1
The value in the middle of the data is 59%
Group2
There are 2 values in the middle of the data. So we average them
58+60÷2=59%

Mode
Method
The most frequent value

Group1
63%
Group2
54%

Now let's analyse our data

Mean
According to the mean. Group 2 performed slightly better than group 1. However. It is not enough of a difference to say that they performed significantly better.

Median
Both groups have the same median so this measure could not decide between them

Mode
According to the mode. Group1 did better. But this type of data model is not quite useful measurement. There are too few of the modal data to declare it to be a good indicator


I thank you

19/03/2021

Notes from grade 12 life science post continue....

3.* In Meiosis 1 Anaphase 1 each chromosome of Homologous chromosomes is pulled to the opposite poles of the cell

* In Meiosis 2 Anaphase 2 chromatids (daughter chromosomes) are pulled fo the opposite poles of each cell.

4.* Meiosis 1 telophase 1 the cell membrane constricts and divides the cytoplasm in half to form two cells.

* In meiosis 2 telophase 2 the cytoplasm divides into two cells and four haploid daughter cells are formed.

Remember that Meiosis is the type of cell division whereby diploid cell (somatic cell) undergoes two cell divisions, and divides to form four dissimilar haploid cells (s*x cells)

Don't be scared to ask questions

19/03/2021

Life science grade 12:

The simplest way to understand meiosis 1 and meiosis 2 is to to know the difference, you need to be able to see which meiotic division it is (1 or 2) NB: you need to check the number of chromosomes

The difference between Meiosis 1 and meiosis 2 is that:

1.* In meiosis 1 there are two chromosomes called Homologous chromosomes one from the mother and one from the father.

*In meiosis 2 there is an individual chromosome

2.* In meiosis 1 prophase 1 chromatids from each Homologous pair touch to cross over or swap the DNA and that point of crossing over is called the chiasma

In meiosis 2 prophase 2 ech cell formed during Meiosis 1 is now divided again and there is no crossing over.

2.* In Meiosis 1 metaphase 1 the Homologous chromosomes line up along the equator of the spindle fibres

*In meiosis 2 metaphase 2 individual chromosomes line up at the equator of each cell.

3.* In Meiosis 1 Anaphase 1 each chromosome of Homologous chromosomes is pulled

18/03/2021

Economics: Phillips curve wen unemployment rate decreases inflation will increase,Then when unemployment rate increase inflation will decrease. Note this inflation target of South Africa is 3%to 6%🙏

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