Assignment in Decile - Ungrouped Data

Front

What is a quartile?

Back

A quartile is a type of quantile that divides a dataset into four equal parts, with each part representing 25% of the data.

Front

What is a decile?

Back

A decile is a type of quantile that divides a dataset into ten equal parts, with each part representing 10% of the data.

Front

What is a percentile?

Back

A percentile is a measure that indicates the value below which a given percentage of observations in a dataset falls.

Front

What is a twentile?

Back

A twentile is a type of quantile that divides a dataset into twenty equal parts, with each part representing 5% of the data.

Front

How many partitions does a decile create?

Back

A decile creates 9 partitions in a dataset.

Front

If decile 3 is 27, what does it indicate about the scores?

Back

It indicates that 30% of the scores are equal to or lower than 27.

Front

What is the formula to find the decile rank?

Back

The formula to find the decile rank is Dk = (k/10) * (N + 1), where Dk is the kth decile, k is the decile number, and N is the number of observations.

Front

What is the significance of decile 7 in a dataset?

Back

Decile 7 indicates that 70% of the data points fall below this value.

Front

How do you calculate decile 7 from a dataset?

Back

To calculate decile 7, first arrange the data in ascending order, then use the formula to find the rank and interpolate if necessary.

Front

What does it mean if decile 1 is equal to a certain score?

Back

It means that 10% of the scores are equal to or lower than that score.