It is a random variable that is calculated from sample data and used in a hypothesis test.

• Sample

• t-test

• test statistic

• z-test

What is this?

• Gaussian Distribution

• Bell Distribution

• Skewed Distribution

• Platykurtic Distribution

Identify the type of Skewness

• positive

• negative

• normal

• right skewed

Identify the type of Skewness

• positive

• negative

• normal

• left skewed

Identify the type of kurtosis

• mesokurtic

• platykurtic

• leptokurtic

• negative

Identify the type of kurtosis

• mesokurtic

• platykurtic

• leptokurtic

• positive

Identify the type of kurtosis

• mesokurtic

• platykurtic

• leptokurtic

• bell shape

what test is appropriate for extremely large sample size?

• z-test

• t-test

• central limit theorem

• cannot be determined

Identify the type of Skewness

• positive

• left skewed

• normal

• right skewed

Identify the type of kurtosis

• mesokurtic

• negative

• leptokurtic

• positive