0
Want this question answered?
Be notified when an answer is posted
Add your answer:
Earn +20 pts
What is an rf value used for?
The rf value is shorthand for the retention value of a substance. It is used in chromatography to determine the components of an unknown sample.
When to you use a z-scores or t-scores?
T score is usually used when the sample size is below 30 and/or when the population standard deviation is unknown.
What is the difference between t-distribution and standard normal distribution?
the t distributions take into account the variability of the sample standard deviations. I think that it is now common to use the t distribution when the population standard deviation is unknown, regardless of the sample size.
In statistics what is Pi used for?
In statistics, pi represents the population proportion of successes. Using p, the sample proportion of successes, inferences can be made about pi, although it is usually unknown.
What is the difference between sample and sample size?
a sample is a sample sized piece given... a sample size is the amount given in one sample
When was Identity Unknown created?
Identity Unknown was created in 1945.
What is the duration of Identity Unknown?
The duration of True Identity is 1.55 hours.
What is the identity of the unknown cation?
What is a unknown cation
What are the ratings and certificates for Identity Unknown - 1960?
Identity Unknown - 1960 is rated/received certificates of: UK:U
What term is used in forensics to describe a sample of unknown origin?
The term used in forensics to describe a sample of unknown origin is "questioned sample."
A sample has a mass of 612 grams and a volume of 78 cm3 What is the identity of the sample?
To determine the identity of the sample, you would need the density of the material it is made of. Density is calculated by dividing mass by volume (density = mass/volume). Without this information, it is not possible to accurately determine the identity of the sample.
What is a flame tested used for?
To identify an unknown sample by its emission spectrum
Who is Sofia gubaidulina?
unknown identity
How would a contaminated unknown sample affect the accurate identification of the unknown?
A contaminated unknown sample could potentially introduce foreign material that may interfere with the identification process. This contamination could lead to misleading results or hinder the ability to correctly identify the unknown sample. It is important to ensure the sample is pure and free from contamination for accurate identification.
What is the components of unknown polysaccharide sample?
peptidoglycon chain
What are the release dates for Inner Sanctum - 1954 Identity Unknown - 1.19?
Inner Sanctum - 1954 Identity Unknown - 1.19 was released on: USA: 15 May 1954
Who were brindleface's parents?
The true identity of Brindleface's parents are unknown because it is either unimportant or unknown.
