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individual outcome of an experiment
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∙ 12y ago
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Is the sample mean a point estimate of the population mean?
A point estimate of a population parameter is a single value of a statistic. For example, the sample mean x is a point estimate of the population mean μ. Similarly, the sample proportion p is a point estimate of the population proportion P.
Types of non-sampling errors?
refers to difference between sample & population that exist only coz of the observations that happened to be selected for the sample.
True or false the sample mean is a point of estimate of the population mean?
Nearly true. It is a point estimate, not point ofestimate.
What is the Correlation of flash point and IBP?
like for example if a diesel sample is contaminated by paraffin and the flash point is altered is the IBP also altered?
Sampling error refers to?
Sampling error occurs when the sampling protocol does not produce a representative sample. It may be that the sampling technique over represented a certain portion of the population, causing sample bias in the final study population.
What is the sample point?
sample pouints
Each individual outcome of an experiment is called the sample space or sample point?
sample space
What does blew mean?
In police 'slang' it refers to the act of blowing into the Breathalyzer to collect a sample of your exhaled breath of alcohol analysis (i.e.- He "blew" a point one oh.")
What criterion is used for the purity of a sample of caffeine?
The closer the melting point of the sample of the caffeine you have extracted, to the known melting point of pure caffeine, the more pure your sample is.
Sentence using analogy?
An analogy refers to a comparison between two things, usually as a point of clarification. A sample sentence is: "An analogy between his mother and a pig is certainly amusing".
The symbol Dbar refers to?
Difference between sample means
Sample standard deviation?
Standard deviation in statistics refers to how much deviation there is from the average or mean value. Sample deviation refers to the data that was collected from a smaller pool than the population.
Difference between slope and deflection at a point?
Slope refers to the how upward or downward a point is whereas deflection at a point refers to how bent a particular point is.
A sentence using propaganda?
Propaganda refers to misleading information that is used to promote a political point of view. A sample sentence would be: "Communist propaganda against the West is prevalent today".
How fast do you heat the sample when determining a melting point?
The apparatus used for determining the melting point will heat the sample at an appropriate rate. All you need to do is watch and note the point at which the sample melts, as should be demonstrated to you by your lab supervisor.
Is the sample mean a point estimate of the population mean?
A point estimate of a population parameter is a single value of a statistic. For example, the sample mean x is a point estimate of the population mean μ. Similarly, the sample proportion p is a point estimate of the population proportion P.
How does the melting point of the crude sample compare with that of the purified sample?
An impure sample will have a lower melting point, and will also have wider melting point range than that of a pure sample of the same substance. a sharp melting point range can also indicate a eutectic mixture
