3.1 Tabular and Graphical Form

What is the frequency in statistics?

• highest occurrence of an event

• the number of times the observation occurred in an experiment or study

• wavelength

Data collection, organization, summarization and presentation refers to the:

• Descriptive statistics

• Inferential statistics

What is variable?

• a collection of all elements that are being studied

• number of occasions on any particular value

• value of the variable for each object

• a characteristic of the object in the interest study

Qualitative refer to data which is not a number.

• True

• False

Numerical data refers to Quantitative data.

• True

• False

Discrete data is data that can be measured by continuous scale.

• True

• False

Number of pencils is discrete data.

• True

• False

Gender and race are continuous data.

• True

• False

Qualitative data can be graphically represented by using a

• Histogram

• Ogive

• Bar Chart

The difference between the upper boundary and lower boundary of class interval refers to

• class limit

• class midpoint

• number of class

• class size