Frequency Table and Graphical Presentations

Question 1

Are facts and figures that are collected, analyzed, and summarized for presentation and interpretation.

Answer 1

Data

Question 2

Refers to all data collected in particular study.

Answer 2

Data set

Question 3

Are the entities on which data are collected.

Answer 3

Elements

Question 4

Is a characteristic of interest for the elements

Answer 4

Variable

Question 5

Is a set of measurements obtained for a particular element.

Answer 5

Observation

Question 6

Are labels or names used to identity an attribute of each element.

Answer 6

Qualitative data

Question 7

Are numeric values that indicate how much or how many.

Answer 7

Quantitative data

Question 8

Are data collected at the same or approximately the same point in time.

Answer 8

Cross-sectional data

Question 9

Are data collected over several time periods.

Answer 9

Time series data

Question 10

Are data with elements of both cross-sectional and time series data.

Answer 10

Pooled data

Question 11

Are data with the same cross-sectional unit, say, a family or firm, and is surveyed over time.

Answer 11

Panel data

Question 12

is a tabular summary of data showing the number (frequency) of items in each of several nonoverlapping classes

Answer 12

Frequency Distribution

Question 13

is tabular summary of data showing the relative frequency for each class

Answer 13

Relative Frequency Distribution

Question 14

is a tabular summary of data showing the percent frequency for each class.

Answer 14

Percent Frequency Distribution

Question 15

is a graphical device depicting data that have been summarized in a frequency, relative frequency, or percent frequency distribution.

Answer 15

Bar Graph

Question 16

is a graphical device for presenting relative frequency and percent frequency distributions.

Answer 16

Pie Chart

Question 17

identifies the smallest possible data value assigned to the class.

Answer 17

Lower
class limit

Question 18

identifies the largest possible data value assigned to the class.

Answer 18

Upper Class Limit

Question 19

is a graphical presentation of the relationship between two quantitative variables.

Answer 19

Scatter Diagram

Question 20

is the average of all values. It is useful in analyzing interval and ratio data. The mean is derived by adding all the values and dividing the sum by the number of cases.

Answer 20

Mean

Question 20

is the average of all values. It is useful in analyzing interval and ratio data. The mean is derived by adding all the values and dividing the sum by the number of cases.

Answer 20

Mean

Question 21

is the value in the middle when the data are arranged from highest to lowest.

Answer 21

Median

Question 22

is the most frequently occurring in a set of figures or value that occurs with greatest frequency.

Answer 22

Mode

Question 23

is a simple measure of variation calculated as the highest value in a distribution, minus the lowest value plus 1.

Answer 23

Range

Question 24

a measure of variability that utilizes all the data. It is based on the difference between the value of each observation (xi) and the mean.
Variance

Answer 24

Variance

Question 25

defined as the positive square root of the variance

Answer 25

Standard Deviation

Question 26

The mean is not appropriate for highly skewed distributions and is less efficient than other measures of central tendency when extreme scores are possible.

Answer 26

TRUE

Question 27

The geometric mean is a viable alternative if all the scores are positive and the distribution has a positive skew.

Answer 27

TRUE

Question 28

Distributions with positive skew are sometimes called “skewed to the right”.

Answer 28

TRUE

Question 29

Very High positive (negative) correlation

Answer 29

0.90 to 1.00 (-0.90 to -1.00)

Question 30

High positive (negative) correlation

Answer 30

0.70 to 0.90 (-0.70 to -0.90)

Question 31

Moderate postive (negative) correlation

Answer 31

0.50 to 0.70 (-0.50 to -0.70)

Question 32

Little if any correlation

Answer 32

0.00 to 0.30 (-0.00 to -0.30)