Descriptive Statistics

Question 1

It is the data in original form

It is the output of the study

Answer 1

Raw Data

Question 2

It is the number of data values combined in specific class

Answer 2

Frequency

Question 3

Where each raw data is placed

Answer 3

Class (Quantitative or Qualitative

Question 4

organization of raw data in table form, using classes and frequency

Answer 4

Frequency Distribution

Question 5

2 types of Frequency Distribution

Answer 5

Categorized, Grouped/Ungrouped

Question 6

used for data that can be placed in specific category, such as nominal/ordinal class

Answer 6

Categorical frequency distribution

Question 7

It is used when frequency of the date is large

Answer 7

Grouped Frequency Distribution

Question 8

These are data grouped into classes that are more than one unit in wealth

Answer 8

Frequency distribution

Question 9

It represents the smallest data value

Answer 9

Lower class limit

Question 10

It represents the highest data value

Answer 10

Upper class limit

Question 11

numbers that are used to separate the classes so there are no gaps in frequency distribution

Answer 11

class boundaries

Question 12

should have the same decimal value as data

Answer 12

class limits

Question 13

should have one additional decimal place value and always end in 5

Answer 13

class boundaries

Question 14

preferred value of this would be an odd number

Answer 14

class width

Question 15

adding all frequencies

Answer 15

cumulative frequencies

Question 16

coefficient is a measure for the degree of symmetry in the variable distribution

Answer 16

skewness

Question 17

coefficient is a measure for the degree of peakedness/flatness in variable distribution

Answer 17

kurtosis

Question 18

• displays data using contiguous vertical bars of various heights to represent frequencies of class
• also used to summarize continuous data that are measured in an interval scale

Answer 18

histograms

Question 19

graph that displays the data by using lines that connect points plotted for the frequencies at midpoints of the classes

Answer 19

frequency polygons

Question 20

other name for Ogive

Answer 20

cumulative frequency graph

Question 21

allows us to quickly estimate the number of observations that are less than/equal to a value

Answer 21

Ogive

Question 22

represents data by vertical/horizontal bars whose weights and lengths represent frequencies of data

Answer 22

bar graphs

Question 23

• used to represent a frequency distribution for a categorical variable
• frequencies are displayed by the height of vertical bars. which are arranged in order from highest to lowest on X-axis

Answer 23

Pareto charts

Question 24

represents data are collected over a period of time

Answer 24

Time Series Graph

Question 25

In time series graph, you look for ___ of lines if it is rapidly changing or not

Answer 25

steepness/slope

Question 26

- different parts of a whole | - circle that is divided into sections according to percentage

Answer 26

Pie Graph

Question 27

data plot that uses part of data value as the stem and another part as leaf to form groups/classes

Answer 27

Stem and leaf plots

Question 28

what is used as leading digit (stem) in stem and leaf plots?

Answer 28

first digit

Question 29

what is used as the trailing digit (leaf) in stem and leaf plots

Answer 29

second digit