Pre-Finals Set A

Question 1

process of categorizing and organizing the collected data

Answer 1

Data Coding

Question 2

assignment of numerical value to a specific indicator

Answer 2

Data Coding

Question 3

Data Diagrams

Answer 3

1. Bar Graph
2. Line Charts
3. Pie Chart
4. Scatter Plot

Question 4

used for comparison and ranking

Answer 4

Bar Graph

Question 5

Two types of Bar Graph:

Answer 5

1. Vertical Bar Charts
2. Horizontal Bar Charts

Question 6

emphasize magnitude rather than the movement of a time series

Answer 6

Vertical Bar Charts

Question 7

best used when using categorical data with labels for a specific period of time value to a specific indicator.

Answer 7

Horizontal Bar Charts

Question 8

Best used when graphing for ordinal variables

Answer 8

avertical bar charts

Question 9

Best used when graphing for ordinal variables

Answer 9

vertical bar charts

Question 10

Best used when graphing for nominal variables

Answer 10

horizontal bar charts

Question 11

gives a quick view of the trend, acceleration, deceleration and volatility of time series data

Answer 11

Line chart

Question 12

emphasizes the movement of the points in the time series

Answer 12

Line chart

Question 13

What is the appropriate ratio of height to width in making a line chart?

Answer 13

2:3 or 3:4 ratio

Question 14

most popular yet most misused chart

Answer 14

Pie Chart

Question 15

best used when the proportion or percentage holds more importance with respect to the total

Answer 15

Pie Chart

Question 16

How many categories must be included in a pie chart?

Answer 16

no more than 5

Question 17

How are the slices in a pie graph arranged?

Answer 17

Place the largest slice in 12o’clock position, then arrange the order in clockwise manner.

Question 18

ideal for showing clusters, patterns, and relationships (such as positive, negative, linear, exponential).

Answer 18

used for two or three (3D plot) quantitative variables

Question 19

Three types of correlational in scatter plot

Answer 19

1. Positive Correlation
2. Negative Correlation
3. No Correlation

Question 20

one variable increases, so does the other

Answer 20

Positive Correlation

Question 21

one variable increases, but the other decreases

Answer 21

Negative Correlation

Question 22

no apparent relationship between variables

Answer 22

No correlation

Question 23

Relationships/correlation shown in a scatter plot:

Answer 23

• Strong Positive correlation
• Moderate positive correlation
• No correlation
• Moderate negative correlation
• Strong negative correlation
• Curvillinear

Question 24

Method of Scoring

Answer 24

Mean Score Interpretation
1.00 – 1.80 Very Low
1.81 – 2.60 Low
2.61 – 3.40 Average
3.41 – 4.20 High
4.20 – 5.00 Very High

Question 25

What is the mean score for very low?

Answer 25

1.00 - 1.80

Question 26

What is the mean score for low?

Answer 26

1.81 - 2.60

Question 27

What is the mean score for average?

Answer 27

2.61 - 3.40

Question 28

What is the mean score for high?

Answer 28

3.41 - 4.20

Question 29

What is the mean score for very high?

Answer 29

4.21 - 5.00

Question 30

formula for percent

Answer 30

P = ᶠ⁄ₙ x 100

where:
f - frequency
n - no. of observations

Question 31

formula for weighted mean

Answer 31

Σf(x)/n

where
f = frequency
x = numerical value
n = no. of observations