Assignment 6 Data Analytics
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If we plot a continuous probability distribution f(x), the total probability under the curve is:
1
According to the empirical rule, how many observations lie within +/- 1 standard deviation from the mean?
68%
The standard deviation σ of a probability distribution is a measure of:
variability of the distribution
The total area under the normal distribution curve is equal to one.
True
A continuous probability distribution is characterized by:
a continuum of possible values
The mean μ of a probability distribution is a measure of:
central location
The normal distribution is a:
continuous distribution with two parameters
The higher the value of the density function f(x), _
the more likely the value x
