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"I'm a very rich man, so I've decided to give you some of my fortune. Do you see this bag? I have 5001 pearls inside it. 2501 of them are white, and 2500 of them are black. No, I am not racist. I'll let you take out any number of pearls from the bag without looking. If you take out the same number of black and white pearls, I will reward you with a number of gold bars equivalent to the number of pearls you took."

How many pearls should you take out to give yourself a good number of gold bars while still retaining a good chance of actually getting them?

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The probablity of red marbles being picked up out of a brunch of red and blue marbles is 33.3 % . The total number of marbles are 15. Find how many red marbles are there. (Hint there are twice more blue marbles than red

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Anser the following with formula-

1) In a survey of 200 ladies, it was found that 82 like coffe while 118 dislike it. From these ladies, one is cossen at random. The probability that the chosen lady dislikes coffee is..............................

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Choose the correct answer-

1- (0, -3) lies on

a) positive x- axis

b) negative x- axis

c) positive y- axis

d) negative y- axis

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This shows that Mean, Median and Mode are used in schools

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This shows that bar graphs are used in Government

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Nikita,Jalaja, Siha and Vaibhavi

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Pictograph

A Pictograph is a way of showing data using images.

Cross- Curricular Link with history.

The pictograph was invented in stead of letters. The Egyptian, used hieroglyphics which are also

picture and symbols. They used different hieroglyphics to say the same thing. This invention affects

life in many different ways. The invention had a great effects, for example,letters help use to tell

what's been happening in the past and present.

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http://www.math-play.com/Probability-Game.html

http://www.topmarks.co.uk/maths-games/7-11-years/data-handling

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Line Graph

Points on a line graph are connected by line segments.

A sloping segment indicates change; the steeper the slope, the greater the change.

From left to right, a rise indicates increase; a downward slope indicates decrease.

A horizontal (or flat) line segment indicates no change.

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EVERY BAR GRAPH HAS:

a title

two sides (the vertical and horizontal axes)

descriptive labels for each side (or axis)

a scale calibrated to suit the data (by 1s, 2s, 5s, 10s, 25s, etc.)

FACTS:

Bars can be vertical or horizontal.

The tallest bar represents the greatest amount; the shortest bar corresponds to the least amount; bars that represent identical quantities are the same length.

Bars may touch or be separated.

Double bar graphs compare two related sets of data on one graph.

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https://prezi.com/amyp6buyotmj/data-handling/