The mode measures what type of data? - ️️-Qualitative data
-It is the ONLY Central tendency measure for qualitative data
What type of outliers cause the data to be RIGHT SKEWED? - ️️Outliers that are
much larger than majority of the other data points
Population Parameter - ️️a numbe...
BUAL 2600 - Exam 2 - Gramling
The mode measures what type of data? - ✔️✔️-Qualitative data
-It is the ONLY Central tendency measure for qualitative data
What type of outliers cause the data to be RIGHT SKEWED? - ✔️✔️Outliers that are
much larger than majority of the other data points
Population Parameter - ✔️✔️a number calculated from all the population
measurements that describes some aspect of the population
Measures Central Tendency - ✔️✔️Mean, Median, Mode
Measures of Variation - ✔️✔️STD Deviation & Variance; Range & IQR
Measures of Position - ✔️✔️Quartiles, Percentiles, Z‐Scores
Central Tendency - ✔️✔️A measure of central tendency represents the center or
middle of the data
Population Mean (μ) - ✔️✔️is average of the population measurements and most of
the time is unknown
Sample Statistic - ✔️✔️a number calculated using the sample measurements that
describes some aspect of the sample
Sample Mean - ✔️✔️(𝑥̅ or 𝑎𝑛𝑦 𝑣𝑎𝑟𝑖𝑎𝑏𝑙𝑒 𝑛𝑎𝑚𝑒) is the average of the sample data
Median - ✔️✔️The value of the middle point of the ordered measurements.
For the Median data _________ in numerical order. - ✔️✔️MUST BE
Mode - ✔️✔️The most frequent value for qualitative categories OR quantitative single
values
Outliers - ✔️✔️-are measurements that are very different from other measurements
-either much larger or much smaller than most of the other measurements
, What type of outliers cause the date to be LEFT SKEWED? - ✔️✔️Outliers that are
much smaller than most of the other data points
How do you find the mean? - ✔️✔️
How do you find the mode? - ✔️✔️
How do you find the median? - ✔️✔️
Left or Negatively Skewed Date - ✔️✔️
Normal Distribution - ✔️✔️
Right or Positively Skewed - ✔️✔️
Starting Here Based off Exam Review - ✔️✔️
Reports - ✔️✔️-Static Visuals or Graphs
-Offers snapshot of historic data
-Can be produced using Microsoft Office (e.g Word or Excel)
What is a Dashboard? - ✔️✔️A Data Visualization Tool customized and tailored to
what a business needs to see
What does a Dashboard allow businesses to do? - ✔️✔️visualize key performance
indicators, track their business operations by the minute, daily, or over time
What is a Business Intelligence (BI) Dashboard? - ✔️✔️-A special type of Dashboard in
business
-displays on a single screen the status of business metrics, key performance indicators
and other important data points for an organization or team, or a business process
What to look for on a dashboard? - ✔️✔️-Provide dynamic, real-time, real-world view of
the data with timely data refreshes; enables user to stay up to date of recent changes in
the business
-Visuals (e.g. charts, performance bars, gauges, meters) to highlight at a glance the
data trends, tracking over time, or outstanding points
-Think about the panel in your vehicle (gas level, mileage, tire pressure)•
-Transparent to the user - require minimal training to use (no programming)
-Data from a variety of sources into a single, summarized, unified snapshot of the
business
-Enable user to "drill-down" to underlying data sources or reports to provide more
detailExamples
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