Common Distributions

Common Distributions

Professional Development

10 Qs

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Common Distributions

Common Distributions

Assessment

Quiz

Mathematics

Professional Development

Hard

Created by

Egla Mansi

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the key parameter of the Bernoulli distribution?

The variance of the distribution
The mean of the distribution

Number of trials

The probability of success (p)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the relationship between the mean and variance of a Poisson distribution?

The mean is half the variance.
The mean and variance of a Poisson distribution are equal.
The variance is always zero.
The mean is twice the variance.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

For a normal distribution X∼N(μ,σ^2), what transformation standardizes X?

Z = (X * σ) + μ
Z = (X - σ) / μ
Z = (X - μ) / σ
Z = (X + μ) / σ

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the support of the exponential distribution?

R+

[1, 2]

R

[-1,1]

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the defining property of the logistic distribution?

It is skewed to the right.

The defining property of the logistic distribution is its uniform probability density function.

It has no closed-form cumulative distribution function (CDF).

It has a bell shape similar to the normal distribution.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which distribution is a special case of the negative binomial distribution?

Geometric distribution
Uniform distribution
Exponential distribution
Poisson distribution

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The parameter λ in the exponential distribution represents:

The scale parameter

The location parameter

The rate parameter

The skewness

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