# Statistics Final Part 3

rename
rad2329's
version from
2016-12-12 19:42

## Section 1

Question | Answer |
---|---|

Four types of data that represents observations that can be measured on an evenly distributed scale beginning at a point other than tru zero. | Categorical data |

A graphic technique used to illustrate the relationship between continuous measurements; consists of a line drawn to connect a series of points on an arithmetic scale & is often used to display time trends. | Line graph |

A type of graph that shows data points collected over time & identifies emerging trends or patterns. | Run chart |

A graphic technique in which the proportions of a category are displayed as portions of a circle. | Pie chart |

A graphic technique used to display the frequency distribution of continuous data (interval or ratio data) as either numbers or percentages in a series of bars. | histogram |

The process of selecting subjects for a sample from each cluster within a population. | Cluster sampling |

A type of research instrument with which the members of the population being studied are asked questions & respond orally. | Survey |

A systematic investigation of all the knowledge available about a topic from sources such as books, journal articles, theses, & dissertations. | Literature review |

An administrative body that provides oversight for the research studies conducted within a healthcare institution. | Institutional Review Board |

A statment that describes a research question in measurable terms. | Hypothesis |

## Section 2

Question | Answer |
---|---|

Making up data or results & recording or reporting them. | Fabrication |

A sample in which every element in the population has an equal chance of being selected. | Random sample |

The use of subjects who are nearby or at hand. | Convenience sampling |

A technique where the population is first segmented into mutually exclusive subgroups, and then judgement is used to select the subjects or units from each segment based on a specified proportion. | Quota sampling |

The visual display, on a single screen, of the most important information that a physician would need to see about his patients. | Dashboard |

Massive amounts of information that can be interpreted by analytics to provide an overview of trends or patterns. | Big data |

The process of extracting & analyzing large volumes of data from a database. | Data Mining |

The task of transforming, summarizing, or modeling data to allow the user to make meaninful conclusions. | Data analysis |

The science of examing raw data with the purpose of drawing conclusions about that information. | Data analytics |

A collection of data that reflects all aspects of hospital operations that is used for reporting & analysis. | Clinical data warehouse |

## Section 3

Question | Answer |
---|---|

Allows users to prescribe a number of different possible actions. | Prescriptive analytics |

The summarization of data. | Descriptive analytics |

Data that can be accessed as it comes into a computer system. | Real-time analytics |

Branch of data mining concerned with the prediction of future probabilities & trends. | Predictive analysis |

This appies to a unit of service received by one inpatient in one 24-hour period. | Inpatient Service Days |

Inpatient Discharges include ____. | Deaths, Transfers to other healthcare facilities, Sending a patient home. |

An intrahospital transfer occurs when ____. | An inpatient is moved from one PCU to another PCU. (Example: a patient moved from a surgical unit to a medical unit) |

Patient's that are admitted & discharged on the same day are calculated as part of the _____. | Inpatient Census, Daily Inpatient Census |

Test used to assess the differences among more than two means. | ANOVA (Analysis of Variance) |

A test of significance, represented by x2, that deals with nominal data & frequencies, specifically data where the standard diviation & mean are not meaninful descriptions. | Chi-square |

## Section 4

Question | Answer |
---|---|

A healthcare statistic that is calculated from the standard error of the mean, it is an estimate of the true limits within which the true population mean lies; the range of values that may reasonably contain the true population mean. | Confidence interval |

Statistics that describe populations. | Descriptive statistics |

Statistics that are used to make inferences from a smaller group of data to a large one. | Inferential statistics |

A hypothesis that states there is no association between the independent & dependent variables in a research study. | Null Hypothesis |

A value that is found by taking many large samples, calculating the mean for each sample, and then finding the standard diviation of all the sample means. | Standard error of the mean |

A test of the null hypothesis to determine if a set of results is statistically significant. | t-test |

Occurs when the null hypothesis is rejected, yet it is actually true. | Type I error |

Occurs when the null hypothesis is not rejected, yet it is false. | Type II error |

Quantitative data are _____. | Numeric, and can be numerically counted. They deal with measurements. |

Qualitative data are _______. | divided into the nominal scale & ordinal scale. Observations are organized into categories in which there is no recognition of order & ordinal data are types of data where the values are in ordered categories. Describes observations. |

The fourth equal part of a distribution. | Quartile |

The tenth equal part of a distribution. | Decile |

Denotes a value's position in a group relative to other values organized in order of magnitude. | Rank |

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