IS 335 Quiz 2

This plot is a graphical illustration of several descriptive statistics about a given data set. pie chart bar graph box-and-whiskers plot kurtosis

box-and-whiskers plot

Which kind of chart is described as an enhanced version of a scatter plot? heat map bullet pie chart bubble chart

bubble chart

Which characteristic of data requires that the variables and data values be defined at the lowest (or as low as required) level of detail for the intended use of the data? data source reliability data accessibility data richness data granularity

data granularity

Key performance indicators (KPIs) are metrics typically used to measure database responsiveness qualitative feedback external results internal results

internal results.

Which type of visualization tool can be very helpful when the intention is to show relative proportions of dollars per department allocated by a university administration? heat map bullet pie chart bubble chart

pie chart

This measure of dispersion is calculated by simply taking the square root of the variations. standard deviation range variance arithmetic mean

standard deviation

Benefits of the latest visual analytics tools, such as SAS Visual Analytics, include all of the following EXCEPT mobile platforms such as the iPhone are supported by these products it is easier to spot useful patterns and trends in the data they explore massive amounts of data in hours, not days there is less demand on IT departments for reports

they explore massive amounts of data in hours, not days.

Which type of question does visual analytics seeks to answer? Why is it happening? What happened yesterday? What is happening today? When did it happen?

Why is it happening?

Which type of visualization tool can be very helpful when a data set contains location data? bar chart geographic map highlight table tree map

geographic map

This technique makes no a priori assumption of whether one variable is dependent on the other(s) and is not concerned with the relationship between variables; instead it gives an estimate on the degree of association between the variables. regression correlation means test multiple regression

correlation