# TAP MATH 6

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 Author: shockwave ID: 263183 Filename: TAP MATH 6 Updated: 2014-02-21 19:25:09 Tags: TAP MATH Folders: TAP MATH 6 Description: TAP MATH 6 Show Answers:

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1. A triangle with no sides equal is called a _______ triangle.

An _______ triangle is a triangle with (at least) two equal sides.

A triangle with all sides equal is called an _______ triangle.
scalene...zero sides equal

isosceles...2 sides equal

equilateral...3 sides equal
2. QP = QR THEN WHAT TYPE OF TRIANGLE IS IT?
• ISOSCELES.
• TWO SIDE ARE EQUAL.
• TWO ANGLES ARE EQUAL.
3. NAME THE FORMULAS FOR THE
DIAMETER, CIRCUMFERENCE AND AREA OF A CIRCLE.
4. WHEN MULTIPLYING BY 100, 1000, 10,000 ECT HOW DOES THE DECIMAL MOVE?
COUNT THE ZERO AND MOVE DECIMAL THE SAME AMOUNT TO THE RIGHT.

1.57 x 100 = 157.00

2 ZEROS, TWO STEPS TO THE RIGHT.
5. 1/2 OF 3.14 = ?
1.57

MIGHT NEED IT FOR AN AREA PROBLEM.
6. WHAT IS THE SIMPLE PROBABILITY FORMULA?
• Number Of Ways Event  Can Occur (WANT)
• ---------------------------------------------------
• The total number Of Possible Outcomes

REMEMBER TO SUBTRACT WHAT YOU TAKEN OUT FOR THE NEXT PROBABILITY.
7. A=5%   B =10%   C=40%
NOTICE HOW YOU ADD THE 3 TOGETHER BECAUSE IT ASKS FOR THE PROBABILITY OF A,B OR C.

8. DEFINE CORRELATION AND HOW IT WORKS.
CORRELATION IS A WAY TO MEASURE HOW ASSOCIATED OR RELATED TWO VARIABLES ARE.

THE SIGN DOES NOT TELL YOU OF THE STRENGTH, JUST DIRECTION.

1 is a perfect positive correlation (STRONG)

• 0 is no correlation
• (the values don't seem linked at all)

-1 is a perfect negative correlation (ALSO STRONG BUT NEG OR DOWN DIRECTION)
9. DEFINE STANDARD DEVIATION.
The Standard Deviation is a measure of how spread out numbers are.

Its symbol is σ (the greek letter sigma)

A LARGE SD INDICATES THAT THE DATA POINT ARE FAR FROM THE MEAN.

A SMALL SD INDICATES THAT THE DATA POINTS ARE CLUSTERED CLOSELY AROUND THE MEAN.
10. IN DETERMINING PROBABILITY OF TWO EVENTS DEFINE MUTUALLY EXCLUSIVE AND TWO SUB-EVENTS.
• MUTUALLY EXCLUSIVE IS WHEN THE OCCURRENCE OF ONE MAKES THE OTHER IMPOSSIBLE.
• LOOK FOR "OR".