1ST 10

Question 1

2 METHODS OF PRESENTING DATA

Answer 1

TABULAR METHOD AND GRAPHICAL METHOD

Question 2

Frequency Distribution Table is what type of data and what type of presentation

Answer 2

(continuous data) and a tabular presentation

Question 3

Cross Tabulation Table is what type of data and what type of presentation

Answer 3

Categorical data and a tabular presentation

Question 4

chart for depicting qualitative information

can only convey a general idea of the data values

data must represent parts of a whole (e.g., percent market share)

Answer 4

Pie Charts

Question 5

most common graphic form to present a qualitative variable
graphically describes a frequency table using a series of uniformly wide rectangles (bars)

blank the height of each bar is the class frequency

blank horizontal display of data; useful when the axis labels are long or if there are many categories

Answer 5

Column Chart & Bar Chart

column chart

(bar chart)

Question 6

the bar height is the sum of several subtotals

data series are stacked one on top of the other in vertical columns

can be effective for any number of groups but work best when you have only a few

Answer 6

Stacked Column Chart

Question 7

method for graphically demonstrating the locality, spread and skewness groups of numerical data through their quartiles
can detect outlier

Answer 7

Boxplot (a.k.a Box-and-whisker plot)

Question 8

relationships between two numerical variables

Answer 8

Scatter plot (a.k.a scatter diagram)

Question 9

display a time series, to spot trends, or to compare time periods
can be used to display several variables at once

Answer 9

Line Chart

Question 10

an advantage of the stem-and-leaf display over a frequency distribution is that ?

Answer 10

we do not lose the identity of each observation