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The diameter of 3.5 centimetre discs is normally distributed.Periodically, quality control inspectors at Winnipeg Discs randomly select a sample of 16 discs.If the mean diameter of the discs is too large or too small the disc punch is shut down for adjustment; otherwise, the punching process continues.The null hypothesis is ___.
Risk-Averse Investor
An individual who prefers lower returns with known risks rather than higher returns with unknown risks.
Variances
Variances measure the dispersion of a set of data points around their mean value, identifying how spread out the data points are.
Risky Asset
An investment that has a significant degree of uncertainty regarding its future returns, potentially leading to losses as well as gains.
Standard Deviation
A measure of the amount of variability or dispersion in a set of data points, indicating how much individual data points deviate from the mean.
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