Introduction to Statistics

Question 1

What do Descriptive Statistics summarize?

Answer 1

the values of a data set by using charts, graphs, averages & tables

Question 2

What do Inferential Statistics do?

Answer 2

make generalizations based on descriptive statistics of our sample data

Question 3

Population

Answer 3

group of elements from which understanding is desired

Question 4

Process

Answer 4

set of conditions that repeatedly come together to transform inputs/outcomes

Question 5

Sample

Answer 5

subset of a population or process

Question 6

Parameter

Answer 6

that summarizes some aspect of a Population or process ( p&p)

Question 7

Statistic

Answer 7

that summarizes some aspect of a sample

Question 8

Sampling Error

Answer 8

difference between the result of a sample and the corresponding result of a census

Question 9

Statistical Inference

Answer 9

using sample information two learn about a population or a process

Question 10

Statistical Variable

Answer 10

single characteristic of any subject or event

Question 11

Qualitative

Answer 11

nominal - the data values are placed in classes and have no natural ordering

Question 12

Quantitative

Answer 12

the data values are measured by meaningful numbers that tell how much or how many