# Biostatistics & Epidemiology Lect. 1 Part 2

rename
alchemist04's
version from
2016-06-24 05:55

## Section

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

How is Descriptive Statistics different from Inferential Statistics? | (1) Descriptive Statistics involves Collecting and Summarizing data via the use of means, median and modes and the use of Histogram + Scatterplot to plot graph. While, Inferential Statistic involves Hypothesis testing and making predictions, uses t-test, ANOVA, Linear regression and scatterplot. |

Which kind of Statistics is involved in Hypothesis testing and Making predictions? | Inferential |

Which kind of Statistics is involved in Collecting and Summarizing data? | Descriptive |

A Statistics that involves the use of t-square test, ANOVA, Linear regression and Scatterplot is ........ ? | Inferential |

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

A set of that with number of possible values that is either a finite number or countable number (like 0, 1, 2 etc) usually from a counting number is? | Discrete Data |

Number of students in a classroom is an example of ......? | Discrete Data |

Any data or number that is w/n a continuum of values, that can allow any possible value including negative and positive values, is .......? | Continuous Data |

What are the examples of Continuos Data? | (1) Height in inches, (2) Weight in Kg (3) Serum Cholesterol level in mg/dL |

T or F? Continuous Data can have decimals? | True, mostly measures average of total subject |

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

A set of Statistical Data in which an "equal" value btw data point exists and there is no actual "Zero" along the continuum of data value is ............? | Interval data |

What is an example of Interval data? | Celsius and Fahrenheit temperature |

T or F? Interval Data can have Decimals and not necessarily whole number? | False, Interval data can only have Whole number. |

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

Data in wh/ the "ratios" btw data points has meaning, the distance btw the numbers is meaningful, and has natural Zero, is called ......? | Ratio data |

Examples of Ratio Data are? | Weight, height, blood count, income etc. |

100 lbs is twice as heavy as 50 lbs, is an example of .....? | Ratio data |

T or F? Ratio data can be in decimals? | True |

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

A data that reflects different categories (e.g. ethnicity or gender) of data where a name can be assigned to the different categories. It has no order. What is it called? | Nominal Data. It is always indicated by types or kinds |

A data that has a particular order and the order has meaning. The order may exist as greatest to lowest, lowest to greatest, or lowest-neutral-greatest (e.g. age group). What is it called? | Ordinal data. (ordinal = order). It is not a countable number |

T or F? Cumulative Frequency Distributions is either in proportion or distribution | True |

## Pages linking here (main versions and versions by same user)

No other pages link to this page. See Linking Quickstart for more info.