Week #2

Question 1

The mathematical science pertaining to the collection, analysis, interpretation, and presentation of data

Answer 1

Statistics

Question 2

Discrete entities described objectively without interpretation

Answer 2

Data

Question 3

Measurable data that focus on numbers and frequencies

Answer 3

Quantitative data

Question 4

Provide information about descriptive characteristics and are based on observation rather than measurable data

Answer 4

Qualitative data

Question 5

Entire set or group of items being measured

Answer 5

Population

Question 6

Subset of a population

Answer 6

Sample

Question 7

Characteristics that change over time

Answer 7

Variable

Question 8

Observed in statistical data studies to change in response to independent variables and not collected during the study

Answer 8

Dependent variable

Question 9

Deliberately manipulated to invoke a change on the dependent variable

Answer 9

Independent variable

Question 10

Variables being studied that only have two opposing choices (yes/no)

Answer 10

Dichotomous variable

Question 11

The ability to measure what is supposed to be measured

Answer 11

Accuracy

Question 12

The consistency of repeated measurements of the same thing

Answer 12

Precision

Question 13

Numerical measures obtained from the population

Answer 13

Parameters

Question 14

Numerical measures obtained from a sample

Answer 14

Statistics

Question 15

A method for comparing the variability of a score to the mean score

Answer 15

Standard deviation

Question 16

Plots the most frequent occurrence of a quantity
Commonly used in diagnostic imaging to depict the monthly repeat rate of examinations

Answer 16

Histogram

Question 17

Used to determine whether a relationship exists between two different variables in a process

Answer 17

Scatter plot

Question 18

Demonstrates whether key indicators are moving up or down over a given period

Answer 18

Trend chart

Question 19

Statistically determined upper and lower control limits are placed with a central line that indicates an accepted norm

Answer 19

Control chart