INTRO. TO STATISTICS EXAM #1 STUDY GUIDE
FREQUENTLY TESTED ACTUAL QUESTIONS WITH
CORRECT ANSWERS
Question 1.
Collections of observations, such as measurements, genders, or survey responses
ANSWER
Data
Question 2.
The complete collection of *all* measurements or data that are being considered
ANSWER
Population
Question 3.
A sub-collection of members selected from a population
ANSWER
Sample
Question 4.
Result from infinitely many possible quantitative values where the collection of values is not
countable Ex. The weight of everyone in the classroom.
ANSWER
Continuous Data
1/9
, Question 5.
Result from when the data values are quantitative and the number of values is finite or countable
Ex. Number of people with brown eyes in a classroom.
ANSWER
Discrete Data
Question 6.
Shows how data is partitioned among several categories (or classes) by listing the categories along
with the number (frequency) of data values in each class/category
ANSWER
Frequency Distribution
Question 7.
The number of values that fall into the class/category in question
ANSWER
Frequency
Question 8.
The frequency of the particular class/category divided by the total number of data values for a
percentage value
ANSWER
Relative Frequency
Question 9.
A graph consisting of bars of equal width drawn adjacent to each other (unless there are gaps
present in the data). The horizontal scale represents classes of quantitative data values and the
vertical scale represents frequencies
ANSWER
Histogram
2/9
FREQUENTLY TESTED ACTUAL QUESTIONS WITH
CORRECT ANSWERS
Question 1.
Collections of observations, such as measurements, genders, or survey responses
ANSWER
Data
Question 2.
The complete collection of *all* measurements or data that are being considered
ANSWER
Population
Question 3.
A sub-collection of members selected from a population
ANSWER
Sample
Question 4.
Result from infinitely many possible quantitative values where the collection of values is not
countable Ex. The weight of everyone in the classroom.
ANSWER
Continuous Data
1/9
, Question 5.
Result from when the data values are quantitative and the number of values is finite or countable
Ex. Number of people with brown eyes in a classroom.
ANSWER
Discrete Data
Question 6.
Shows how data is partitioned among several categories (or classes) by listing the categories along
with the number (frequency) of data values in each class/category
ANSWER
Frequency Distribution
Question 7.
The number of values that fall into the class/category in question
ANSWER
Frequency
Question 8.
The frequency of the particular class/category divided by the total number of data values for a
percentage value
ANSWER
Relative Frequency
Question 9.
A graph consisting of bars of equal width drawn adjacent to each other (unless there are gaps
present in the data). The horizontal scale represents classes of quantitative data values and the
vertical scale represents frequencies
ANSWER
Histogram
2/9
