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


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