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The sum of squares for the group that didn't get treatment is 228.33.
What is a decimal?
A decimal is a number that consists of a whole and a fractional part, decimal numbers lie between the integers and represent numerical value for quantities that are whole plus some part of a whole.
We get decimals when we break a whole into the smaller parts. A decimal number then has the two components: a whole number part and a fractional part. The decimal place the value system for the whole part of a decimal number is the same as the whole number value system. However, we get fractional part of the decimal number as we move toward the right after the decimal point.
Note that as we go from left to right in decimal place value system, each values is 1/10 times smaller than the value to its left.
The first place after decimal point is called the “tenths”, which represents a place value of 1/10 of the whole or one-tenth of the whole. In the decimal form, this fraction is written as “0.1”.
Such fractions whose the denominator is 10 or a positive power of 10 is called a decimal fraction.
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