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d=r/t
(D equals r divided on t
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∙ 12y ago
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Define Phat in statistics?
p-hat is the 'proportion in your sample.' It may be given as a percentage, a proportion or you will have to figure it out as a fraction (proportion).
Is a proportion an example of a continuous variable?
No
What is a proportion of 100?
Percent or percentage
What is the purpose of the sample proportion?
The sampling proportion may be used to scale up the results from a sample to that of the population. It is also used for designing stratified sampling.
A sample of 66 observations will be taken an infinite population The population proportion equals 0.12 The probability that the sample proportion will be less than 0.1768 is?
.9222
What is the direct proportion formula?
x and y are in direct proportion if there is some positive constant c such that y = cx
Why rubber have the same empirical formula as its monomer?
An empirical formula only takes into account the proportions of the elements in a compound. The proportion of elements in a polymer might be the same or similar as the proportion in the monomer from which it is made.
The simplest possible formula that illustrates the proportion of elements in monosaccharides is what?
Ch2o
What does a better job at representing the proportion of the area under the standard curve?
the formula
How is the Law of definite composition and proportion relate to the empirical formula?
empirical formula is the simple whole number ratio of the components.
What is meant by law of constant proportion and how is this law applied in experiment empirical formula of a compound?
The law of constant proportion states that a pure chemical compound always contains exactly the same proportion of elements by mass.This information, together with the atomic masses of the elements in the compound enable scientists to determine the formula of a compound.
How law of constant proportion applied in experiment empirical formula of a compound?
percentage of mg
What doesn't the molecular formula show about a molecule?
It shows the constituent elements and their proportion, but does not show the the structure of the molecule. This is usually depicted in graphic form by the structural formula.
What is the formula for a proportion?
1.What is the formula for a proportionp = n / f2. p = (f / 100) * n3. p = f / n4. p = (f / n) * 100
What are the 4 types of proportion?
direct proportion indirect proportion additive proportion partitive proportion
What is a statement of equality between two ratios called?
... a proportion.... a proportion.... a proportion.... a proportion.
What are the three kinds of proportion?
the three kinds of proportions are indirect proportion, direct proportion and thepartitive proportion
