Management Science Chapter 3 & 4

It is possible to perform analytics without data.

• True

• False

When we refer to data, we are only referring to information that is well structured.

• True

• False

Nominal data refers to measurements.

• True

• False

Numeric data is an example of structured data.

• True

• False

Data preprocessing is generally simple, straightforward, and quick.

• True

• False

Normalizing data is a common step in the data consolidation process.

• True

• False

The OLAP branch of descriptive analytics has also been called business intelligence.

• True

• False

Skewness is a measure of symmetry in a distribution.

• True

• False

A time series is a sequence of data points of the variable of interest, measured and represented at successive points in time spaced at uniform time intervals.

• True

• False

The linearity assumption in a regression model states that the errors of the response variable are uncorrelated with each other.

• True

• False