WK3-C The use of a sample from available data is a hindrance in statistical anal
ID: 3283207 • Letter: W
Question
WK3-C
The use of a sample from available data is a hindrance in statistical analysis.
True or False?
Continuous random variables can take on values that include numbers (other than zero) to the right of the decimal point.
True or False?
When studying continuous variables, the Normal Distribution is useful for analyzing this data.
True or False?
The exponential distribution is another discrete distribution.
True or False?
The difference between the population and the sample is known as the sampling error.
True or False?
Confidence intervals are used when the organization knows the parameters of the population.
True or False?
Explanation / Answer
(a) False
The use of a sample from available data is a basis of statistical analysis.
(b) True
Continuous random variable can take any value in a given interval.
(c) True:
Normal Distribution is useful in studying continuous variables.
(d) False
The exponential distribution is a continuous distribution.
(e) False
Sampling error arises due to unrepresentativeness of the samles taken.
(f) False
Confidence intervals are used for estimating unknown population parameter.
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