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A random sample is drawn from a normal distribution with mean μ and variance σ2.The random variable (n − 1)S2 / σ2 has a chi-squared probability distribution with n degrees of freedom.
Intense
Something that is extremely strong or severe in degree or magnitude.
Panic Attacks
Sudden episodes of intense fear or anxiety that trigger severe physical reactions when there is no real danger or apparent cause.
Specific Phobia
An intense, irrational fear of or aversion to a particular object or situation.
Terrified
Feeling extreme fear or terror.
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