You must be able to multiply numbers.
Foo
Length and width must have equal proportions.
Yes, you must.
Many researchers use a proportions test to verify the statistically significant difference between two independent proportions. This test has a number of requirements such as the use of random sampling, samples must be independent, at least 10 successes and 10 failures, and the population is at least 10 times the size of the sample.
proportions are used in scale factors; scale factors ARE proportions
Foo
Solving for X - 2009 Proportional Reasoning Hollywood Proportions 1-4 was released on: USA: 16 September 2009
The sum of proportions computed from a frequency distribution must equal
Length and width must have equal proportions.
Yes, you must.
Units
Chargaff's law states that the bases Adenine and Thymine must be equal, and Cytosine and Guanine must be equal.
Missing information must be found.
Somewhat off the wind, but why not Must be Santa, Must Be Santa, Must be Santa Has Big Claws! Santa Claus is a downright Myth of Titanic proportions!
Many researchers use a proportions test to verify the statistically significant difference between two independent proportions. This test has a number of requirements such as the use of random sampling, samples must be independent, at least 10 successes and 10 failures, and the population is at least 10 times the size of the sample.
Get rid of the denominator.
proportions are used in scale factors; scale factors ARE proportions