By Magoosh
- **Nov 28**, 09:00 AM

One reason we graph data in a scatterplot is because we are looking for patterns. The simplest of all possible patterns to find on a scatterplot is a straight line pattern.
Correlation
When the points on a scatterplot lie more or less in a straight-ish line, that is called correlation. ...

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By akkane
- **Nov 28**, 02:00 AM

Math (PS)
The population of Linterhast was 3,600 people in 1990 and 4,800 people in 1993. If the population growth rate per thousand is constant, then what will be the population in 1996?
(A) 6,000
(B) 6,400
(C) 7,200
(D) 8,000
(E) 9,600
Question Discussion & Explanation
Correct Answer - B - (click...

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By akkane
- **Nov 27**, 02:00 AM

Math (PS)
If , which of the following must be true about ? ( )
(A)
(B)
(C)
(D)
(E)
Question Discussion & Explanation
Correct Answer - B - (click and drag your mouse to see the answer)
GMAT Daily Deals
e-GMAT: Save up to $536...

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By Magoosh
- **Nov 26**, 09:00 AM

On the GMAT Sentence Correction, the –ing form of a verb will sometimes act as part of the main verb: in this case, it is part of one of the Progressive Tenses of a verb. Sometimes the –ing form of a verb will modify a noun: in...

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By akkane
- **Nov 26**, 02:00 AM

Math (DS)
If and are positive integers, is divisible by 15?
1. is a multiple of 25, and is a multiple of 20
2.
(click and drag your mouse to see the answer)
Question Discussion & Explanation
Correct Answer - B -
GMAT Daily Deals
Veritas...

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By Magoosh
- **Nov 23**, 09:00 AM

Overview
If you are starting your studying from Square One, and someone gives you this book for free, then it could serve as a rudimentary start. Don't spend any money on this book, and for heaven's sake, do not make this book the sole basis for...

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By akkane
- **Nov 23**, 02:00 AM

Math (PS)
If a company sells tons (1 ton = 1000 kilograms) of product A annually and charges dollars per ton, what is the profit if it costs dollars to manufacture a kilogram of product A and dollars to ship it to...

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By akkane
- **Nov 22**, 02:00 AM

Math (DS)
Is area of triangle greater than area of triangle ?
1. The value of area of is less than that of perimeter of .
2. Angles of = Angles of .
Question Discussion & Explanation
Correct Answer - E - (click and drag your...

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By Magoosh
- **Nov 21**, 09:00 AM

First of all, for warm-up, a practice Data Sufficiency question.
The symbol
What does this symbol mean in math?
Technically, this symbol, typographically a dash, has three different meanings in mathematics, viz.:
a) a subtraction sign
b) a negative sign
c) an opposite sign
The subtraction sign
When the dash appears between two terms ---...

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By akkane
- **Nov 21**, 02:00 AM

Math (PS)
If Ben were to lose the championship, Mike would be the winner with a probability of , and Rob - . If the probability of Ben being the winner is , what is the probability that either Mike or Rob will...

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