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Front

What is the Normal Range (68%) in a normal distribution?

Back

The Normal Range (68%) is the range within one standard deviation from the mean in a normal distribution.

Front

What is the average (mean) in statistics?

Back

The average (mean) is the sum of all values divided by the number of values.

Front

What is standard deviation?

Back

Standard deviation is a measure of the amount of variation or dispersion in a set of values.

Front

What shape is a normal distribution curve?

Back

Bell curve.

Front

What is the mode in a data set?

Back

The mode is the value that appears most frequently in a data set.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the count of numbers.

Front

What does a bell curve represent in statistics?

Back

A bell curve represents a normal distribution where most values cluster around the mean.

Front

What percentage of data falls within one standard deviation of the mean in a normal distribution?

Back

Approximately 68%.

Front

What is the median in a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

What is a skewed distribution?

Back

A skewed distribution is one where the data is not symmetrically distributed, leading to a longer tail on one side.