PORTAGE STATISTICS-MODULE 1
EXAM 100% SOLVED
statistics - ANSWER-science of data
-involves collecting, classifying, summarizing, organizing, analyzing and interpreting
information
data - ANSWER-things about which information can be collected and analyzed
-plural of datum
-ex. people, numerical information, geographical areas, etc.
data set - ANSWER-an arranged collection of information that contains the various
categories of data collected for a specific study
element - ANSWER-data set is simply the individual and unique entry in a data set
about which data has been collected, analyzed and present in the same manner
-ex. student ID number, SSN
variable - ANSWER-particular, measurable attribute that the researcher believes is
needed to describe the element in their study
-ex. grade in class, major, campus
observation - ANSWER-all the information collected for each element in a study
qualitative (categorical) data - ANSWER-measurements that cannot be measured on a
natural numerical scale; they can only be classified into one of a group of categories
-it describes something about the element
-can be numerical or non-numerical
-ex. gender, opinion, state, age
quantitative (numerical) data - ANSWER-consists of numbers representing counts or
measurements
-how much or how many
-always numerical
-ex. children or salary
cross-sectional data - ANSWER-data collected at the same or approximately the same
point in time
-ex. average GPA of graduating seniors from Geneva College
time series data - ANSWER-data collected over specific period of time
-ex. average price per gallon for conventional regular gasoline
EXAM 100% SOLVED
statistics - ANSWER-science of data
-involves collecting, classifying, summarizing, organizing, analyzing and interpreting
information
data - ANSWER-things about which information can be collected and analyzed
-plural of datum
-ex. people, numerical information, geographical areas, etc.
data set - ANSWER-an arranged collection of information that contains the various
categories of data collected for a specific study
element - ANSWER-data set is simply the individual and unique entry in a data set
about which data has been collected, analyzed and present in the same manner
-ex. student ID number, SSN
variable - ANSWER-particular, measurable attribute that the researcher believes is
needed to describe the element in their study
-ex. grade in class, major, campus
observation - ANSWER-all the information collected for each element in a study
qualitative (categorical) data - ANSWER-measurements that cannot be measured on a
natural numerical scale; they can only be classified into one of a group of categories
-it describes something about the element
-can be numerical or non-numerical
-ex. gender, opinion, state, age
quantitative (numerical) data - ANSWER-consists of numbers representing counts or
measurements
-how much or how many
-always numerical
-ex. children or salary
cross-sectional data - ANSWER-data collected at the same or approximately the same
point in time
-ex. average GPA of graduating seniors from Geneva College
time series data - ANSWER-data collected over specific period of time
-ex. average price per gallon for conventional regular gasoline
