Statistics (Stat 2023) Exam Quiz
Module 6
Course Title and Number: Statistics (Stat 2023) Quiz module 5
Exam Title: [Insert Exam Title]
Exam Date: [Insert Exam Date]
Instructor: [Insert Instructor’s Name]
Student Name: [Insert Student’s Name]
Student ID: [Insert Student ID]
Examination
180 minutes
Instructions:
1. Read each question carefully.
2. Answer all questions.
3. Use the provided answer sheet to mark your responses.
4. Ensure all answers are final before submitting the exam.
Good Luck!
,Statistics (Stat 2023) Exam Quiz
Module 6
Information, especially numerical information. Usually
organized for analysis. - Answer>> Data
The sum of a set of numbers divided by the number of
elements in the set. (A type of average) - Answer>>
Mean
The middle number in a data set when data is arranged
from least to greatest; if the data set has an even
number of items, find the mean of the two middle
numbers. - Answer>> Median
The most frequently occurring number(s) or item(s) in a
data set. - Answer>> Mode
The difference between the highest and lowest value in
a data set. - Answer>> Range
The science of collecting, organizing, representing, and
interpreting data. - Answer>> Statistics
Also known as a line plot. A diagram showing frequency
of data on a number line. - Answer>> Dot Plot
A bar graph in which the labels for the bars are
numerical intervals. - Answer>> Histogram
A value indicating the most typical representation of
the data set; the average. - Answer>> Measure of
Center
A table that shows how many there are of each type of
data. - Answer>> Distribution
A place on a graph where no data values are present. -
Answer>> Gap
A measure that describes how spread out or scattered
a set of data is. - Answer>> Measure of Variability
The mean distance between each data value and the
mean of the data. - Answer>> Mean Absolute
Deviation (MAD)
, A question that has many different, or variable,
answers. - Answer>> Statistical Question
A diagram that shows the five number summary of a
distribution. (Five number summary includes lowest
value, lower quartile, median, upper quartile, and
highest value.) - Answer>> Box Plot
The difference between the third and first quartile. -
Answer>> Interquartile Range
A group of the same or similar elements gathered or
occurring closely together on a graph. - Answer>>
Cluster
The smallest or least number out of a data set, usually
farther away from interquartile range than other data in
the set. (Also known as minimum) - Answer>> Lower
Extreme
The greatest or largest number out of a data set,
usually farther away from interquartile range than
other data in the set. (Also known as maximum) -
Answer>> Upper Extreme
The smallest amount; the smallest number in a data
set. - Answer>> Minimum
The largest amount; the greatest number in a data set.
- Answer>> Maximum
A number in a set of data that is much larger or smaller
than most of the other numbers in the set. -
Answer>> Outlier
A measure of how much a collection of data is spread
out. Commonly used types include range and quartiles.
(Also known as measures of variation or dispersion.) -
Answer>> Spread
The median of the lower half of the data. - Answer>>
Lower Quartile
The median of the upper half of the data. - Answer>>
Upper Quartile
A variability or spread in a variable or a probability
distribution. Common examples of measures of
statistical dispersion are the variance, standard