part a

Question 1

are data that are not organized, or if arranged, could only be from highest to lowest or lowest o highest.

Answer 1

Ungrouped data

Question 2

are data that are organized, and arranged into different classes or categories.

Answer 2

Grouped data

Question 3

Effective presentation:

Answer 3

Clear
Concise
Actionable
Attractive

Question 4

For all communication formats it is important to ensure that there is:

Answer 4

Consistency: Font, Colors, Punctuation, Terminology, Line/ Paragraph Spacing

An appropriate amount of information: Less is more

Appropriate content and format for audience: Scientific community, Journalist, Politicians

Question 5

three forms of presenting data?

Answer 5

Textual Method
Tabular Method
Graphical Method

Question 6

in paragraph form. This involves enumerating the important characteristics, giving emphasis on significant figures and identifying important features of the data.

Answer 6

Textual Method

Question 7

requires information through reading the gathered data. Readers are directed to pay particular attention on specific data such as comparisons, contrasts, syntheses, generalization of findings.

Answer 7

Textual Method

Question 8

However, this method, when employed alone elicits boredom. It is weak means of presenting the quantitative comparisons or relations among quantitative

Answer 8

Textual Method

Question 9

more effective way of presenting relationship or comparisons of numerical data.

Answer 9

tabular method

Question 9

It provides a more precise, systematic, and orderly presentation of data in rows and columns.

Answer 9

tabular method

Question 10

This method results to easy and
comprehensible comparison of figures.

Answer 10

tabular method

Question 11

• this is for easy reference to the table

Answer 11

Table number

Question 12

it briefly explains the content of the table

Answer 12

Table title

Question 13

it describes the data in each column

Answer 13

Column header

Question 14

it shows the classes or categories

Answer 14

Row classifier

Question 15

this is the main part of the table

Answer 15

Body

Question 16

this is placed below the table when the data written are not original.

Answer 16

Source note

Question 17

is table which shows the data arranged into different classes and the number of cases which fall into each class.

Answer 17

FREQUENCY DISTRIBUTION TABLE

Question 18

refers to the difference between the highest and the lowest scores.

Answer 18

RANGE

Question 19

= Range ÷ Desired Number of Classes

Answer 19

CLASS INTERVAL

Question 20

refers to the grouping defined by a lower limit and upper limit

Answer 20

CLASS LIMITS

Question 21

the real or true class limits.

Answer 21

CLASS BOUNDARIES

Question 22

the midpoint or middle value of a class interval or class limit. It is obtained by finding the average of the lower class limit and the upper limit.

Answer 22

CLASS MARK

Question 22

the midpoint or middle value of a class interval or class limit. It is obtained by finding the average of the lower class limit and the upper limit.

Answer 22

CLASS MARK

Question 23

refers to the difference between the upper class boundary and the lower class boundary of a class interval.

Answer 23

CLASS SIZE

Question 24

is a table which lists the relative frequencies of the classes. The ____ of each class is obtained by dividing the class frequency by the total frequency.

Answer 24

Relative Frequency (rf) Disribution

Question 25

Cumulative Frequency (cf) Distribution.

The cf distribution is a table which shows the number of cases falling below a particular value. There are times when we are interested in the greater than of
less than a specified value. This type of information can be seen from a _____

Answer 25

Cumulative Frequency (cf) Distribution.

Question 26

can be obtained by adding the individual ferquencies
successively starting from the top.

Answer 26

The less than cf (<cf)

Question 27

can be obtained by adding the individual frequencies successively starting from the bottom.

Answer 27

The greater than cf (>cf)

Question 28

is one of the most effective devices in presenting statistical results, values, and relationships in geometrical or pictorial forms.

Answer 28

graphical method

Question 29

is graph represented by either vertical or
horizontal rectangles whose bases represent the class
intervals and whose heights represent the frequencies.

Answer 29

bar graph

Question 30

is graph represented by vertical or horizontal rectangles whose bases are the class marks and whose heights are the frequencies.

Answer 30

HISTOGRAM

Question 31

is a line graph whose bases are the class marks and whose heights are the frequencies.

Answer 31

FREQUENCY POLYGON

Question 32

is a circle graph showing the proportion of each class through either the relative or percentage frequency.

Answer 32

PIE CHART

Question 33

is a line graph where the bases are the class
boundaries and the heights are the <cf>cf for the greater than ogive.</cf>

Answer 33

OGIVE