Suppose a Sample of N = 50 Items Is Selected

question 61

Multiple Choice

Suppose a sample of n = 50 items is selected from a population of manufactured products and the weight,X,of each item is recorded.Prior experience has shown that the weight has a probability distribution with μ= 6 ounces and σ = 2.5 ounces.Which of the following is true about the sampling distribution of the sample mean if a sample size of 15 is selected?

• A)The mean of the sampling distribution is 6 ounces.
• B)The standard deviation of the sampling distribution is 2.5 ounces.
• C)The shape of the sampling distribution is approximately normal.
• D)All of the above are correct.

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Definitions:

Sensory Systems

The parts of the body involved in the reception and processing of sensory information from the environment, enabling perception.

Colour-Blind

The inability to perceive differences between some of the colors that others can distinguish.

Vision

The ability to see or the faculty of sight; it can also refer to the capacity to envisage future developments and work towards them.

Information Processing

Involves the analysis and manipulation of incoming information by the brain, similar to how computers handle data.