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Suppose the mean of a sample is 1.72 metres, and the standard deviation of the sample is 3.44 metres. (Notice that the sample mean and the standard deviation will always have the same units.)

Then the coefficient of variation will be 1.72 metres / 3.44 metres = 0.5.

The units in the mean and standard deviation 'cancel out'-always.

Q: What do you mean when you say that the coefficient of variation has no units?

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We cannot answer because we don't know what units you are talking about -- do you mean quarts, units of blood, units of insulin ... what? Please rewrite the question to say what units you want to know about.

6x2 - 4x (6/2)x2 - (4/2)x = 3x2 - 2x ========

if coefficient of skewness is zero then distribution is symmetric or zero skewed.

im not say that defferent.my question is inverse variation as a proportion.pls answerbecause i dont know the answer

When you say "English", I'm assuming you mean the "customary" system of units of measure that's used in two English speaking countries and a Burmese one. In that system, the volume units of cubic inch, cubic foot, and cubic yard are quite common. Also the cubic mile, though not so commonly heard.

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The unit of temperature coefficient of resistance is ohm per ohm per degree Celsius or say resistance per resistance per degree Celsius.

The correlation coefficient is a measure of linear association between two (or more) variables. It does not measure non-linear relationships nor does it say anything about causality.

We cannot answer because we don't know what units you are talking about -- do you mean quarts, units of blood, units of insulin ... what? Please rewrite the question to say what units you want to know about.

6x2 - 4x (6/2)x2 - (4/2)x = 3x2 - 2x ========

OK, say you have a variable like X. 3X 3 is the variable X's coefficient

It means if it is the constant rate of a number kind of like a direct variation. Like if you say 10 divided by 5 it equals 2 and if you say 4 divided by 2 it equals 2 so that's constant I hope I could help you

The formula for coefficient of variation is %CV = standard deviation/mean X 100 (CV's are reported in percentage form). So say you're testing for fibrinogen in blood, and you run your standards or your controls three times. The INTRAassay CV is the CV for the three sets of standards in that one assay. You would calcuate the mean and standard deviation for Standard 1, Standard 2, etc. and come up with the CV for each and then average the CVs of each standard to come up with the intraassay CV. This shows the amount of variation among the standards for that one test. Now say you run a set of blood samples on Monday and then run another set on Tuesday with a second set of plates or wells. The INTERassay CV is the amount of variation between the standards you used on Monday and the standards you used on Tuesday. You would calculate the mean and standard deviation for Standard 1 (Day 1 and Day 2), Standard 2 (Day 1 and Day 2), etc. to come up with the CV for each and then average the CVs like before. This gives you the interassay CV. A lot of ELISAs will actually calculate the CV of each standard for you.

if coefficient of skewness is zero then distribution is symmetric or zero skewed.

Yes!The word "coefficient" usually refers to the number part of a term.Some examples:The coefficient in 7x is 7.The coefficient in -2y4z3 is -2.The coefficient in b2c3d4 is 1 (because you can think of there being a '1' in front)In the polynomial x3 + 4x2y - 5xy2 + 6y3, the coefficient of xy2 is -5.Technically, you could say that in the term 27fg4, 27 is the numerical coefficient, and fg4 is the literal coefficient.

It's a variation on "over" where you don't say the letter "v". It is like a contraction; like the difference between don't and do not.

-3xy is a monomial where x and y are variables and -3 is the coefficient of the monomial.If we know the value of y, we have to substitute it for y, and we say that -3(y-value) is the coefficient of x.

- 3X3 + X2 + 17 + 6X4 - 3 = coefficient of the variable term X3 6 = coefficient of the variable term X4 ----------------------------------------------------------- I do not know how you are being taught, but...... 1 = the implied coefficient of the variable term X2 S0 I would say three coefficients, but your teacher may say two. Consult your text on the implied coefficient 1.