SAS Section 1.1, 1.2, 1.4

T/F: Statistics is the science of collecting, analyzing, interpreting, and presenting empirical data, and accounting for the relevant uncertainties.

true

What is experimental data?

Data that is collected for research, it is clean and static and common in sciences

What is a binary value?

A value that is either true or false, yes or no

What is a nominal value?

A value or set of values with no logical ordering

What is a ordinal value?

A value or set of values that have logical order

What is interval data?

Interval data is data that has no true zero point

What is ratio data?

Similar to interval data except it starts at 0

Which of the following are examples of big data? (Select all that apply.)

	a. Sample of controlled clinical drug trials
	b.  Social media feeds
	c.  Feeds coming in from cameras installed on city roads
	d.  Taking two samples of the same plant and exposing one of them to sunlight, and the other is kept away from sunlight

b,c

Which of the two modeling cultures is used more often in the machine learning world?

	a.  The data modeling culture
	b.  The algorithmic modeling culture

b

What is the highlighted column headers called?

a. Independent Variables/Inputs

b. Variables/Features

c. Dependent Variable/Target

d. Categories/Classes

a

Which of the following pairs of terms define the highlighted part in the data table? (Select all that apply.)

Company	Stock Exchange	Annual Sales ($M)	Earning per Share ($)
MedTech	AMEX	84.20	0.33
EnergyWest	NYSE	372.85	1.89
DataDig	BSE	74.65	2.10
...	...	...	...

	a.  Target / Response
	b.  Instance / Example
	c.  Predictor / Input
	d.  Observation / Record

b,d

Which of the following pairs of terms define the highlighted part in the data table? (Select all that apply.)

Company	Stock Exchange	Annual Sales ($M)	Earning per Share ($)
MedTech	AMEX	84.20	0.33
EnergyWest	NYSE	372.85	1.89
DataDig	BSE	74.65	2.10
...	...	...	...

	a. Variable / Characteristic
	b.  Category / Group
	c.  Class / Level
	d.  Feature / Attribute

a,d

Which type of testing ensures that all statements in the code are executed at least once?

Statement Coverage

T/F: Boundary Value Analysis tests values only at the boundaries of input ranges.

true

Which techniques are examples of black-box testing?

Which testing method involves making educated guesses about common errors?

Error Guessing