873Jon+D

=MEAN MEDIAN AND MODE QUESTION.= 1. To find the **MEAN** you must add all the numbers together and the answer divided by the total numbers there are and the answer will be your mean. To find the **MEDIAN** you must find the middle number, if there is two middle numbers you find the average between the two numbers. A **RANGE** is the highest number and the lowest number ( first and last ) subtracted by each other
 * MODE** is just a number the occcurs more then the others.

__**EXAMPLE:**__

4+12+12+16+22= 66 ÷by 5 ( total numbers ) = 13.2 median is 12 because it is the middle number the mode is 12 because it shows up twice the range is 18 because 22 minus 4 equals 18.

MEDIAN: 12 MODE: 12**
 * MEAN: 13.2
 * RANGE: 18**

**THE QUESTION**
//2 4 1 8 10 10 12 15//

Fine the mean, median, mode and range for the set of numbers above. remember to put them on numerical order.

JDAnswer

= = = =

**THE QUESTION**
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=SQUARE ROOTS=

Perfect square definition. What is a square root ? solve it.

2: The square root of a number is just the number which when multiplied by itself gives the first number. So 2 is the square root of 4 because 2 x 2 = 4. You can also find the square root by calculator, it looks like a longer version of a cheak mark.

//With-out using a calculator find the square root of 43. **USE THE PERFECT SQUARE CHART PROVIDED**//

JDSANSWER

=PERCENT= A percent means per hundread. A percent is related to fraction because a fraction means part of a whole and a percent is always out of 100.

Is taking 15% off an item, and then an additional 10% off the reduced price, the same as taking 25% off the original item price?