Statistics
1.1—An Overview of Statistics
Objective 1: I can define statistics
________ consists of information coming from _________, _________________, and
____________________.
_______________ is the science of _______________, _______________, ______________,
and ___________________ data in order to ______________________.
Objective 2: I can distinguish between data sets.
There are two types of data sets you will use when studying statistics. These data are called
__________________ and ______________.
A ____________________ is the collection of _______ outcomes, responses, measurements or
counts that are of interest.
A _____________ is the collection of ________ outcomes, responses, measurements, or counts.
A sample is a __________ of the population.
Read Example 1, pg 5
TIY 1: The US Department of Energy conducts weekly surveys of approximately 800 gas
stations to determine average price per gallon of gas. In February 2007, the average price was
$2.24 per gallon. Identify the sample and population.
Two important terms that are used throughout this course are ____________ and ____________.
A _________________ is a numerical description of a ________________ characteristic.
A _________________ is a numerical description of a _________________ characteristic.
*Hint:
Read Example 2, pg 6.
TIY 2: In 2006, major league baseball teams spent a total of $2,236,706,685 on players’ salaries.
Does this numerical value describe a population parameter or a sample statistic?
Objective 3: I can indentify the branches of statistics.
The study of statistics has two major branches: __________________ and _________________
statistics.
__________________ statistics is the branch of statistics that involves the _________________,
____________________ and ___________ of data.
___________________ statistics is the branch of statistics that involves using a _____________
to draw conclusions about a _________________.
Example 3: Decide which part of each survey represents the descriptive branch. What
conclusions might be drawn from the study using inferential statistics?