STATS Exam 1 Latest 2025 with 250 Real Test
Questions and Correct Answers/ Statistics Exam 1
Prep Newest 2025-2026/ Pierson Stats Exam 1 Prep
If two groups of numbers have the same mean, then
Question 3 options:
their standard deviations must also be equal
their medians must also be equal
their modes must also be equal
None of these alternatives is correct - ANSWER-D
is an example of a
Question 4 options:
population parameter
sample statistic
population variance
mode - ANSWER-A
pg. 1
,The median of a sample will always equal the
Question 5 options:
mode
mean
50th percentile
all of the above answers are correct - ANSWER-C
The pth percentile is a value such that at least p percent of the observations are
Question 6 options:
less than or equal to this value
less than this value
more than or equal to this value
more than this value - ANSWER-A
The median is a measure of
Question 7 options:
pg. 2
,relative dispersion
absolute dispersion
central location
relative location - ANSWER-C
If index i (which is used to determine the location of the pth percentile) is not an
integer, its value should be
Question 8 options:
squared
divided by (n - 1)
rounded down
rounded up - ANSWER-D
If a data set has an even number of observations, the median
Question 9 options:
cannot be determined
pg. 3
, is the average value of the two middle items
must be equal to the mean
is the average value of the two middle items when all items are arranged in
ascending order
Save - ANSWER-D
The most frequently occurring value of a data set is called the
Question 10 options:
range
mode
mean
median - ANSWER-B
The coefficient of variation is
Question 11 options:
the same as the variance
the standard deviation divided by the mean times 100
pg. 4
Questions and Correct Answers/ Statistics Exam 1
Prep Newest 2025-2026/ Pierson Stats Exam 1 Prep
If two groups of numbers have the same mean, then
Question 3 options:
their standard deviations must also be equal
their medians must also be equal
their modes must also be equal
None of these alternatives is correct - ANSWER-D
is an example of a
Question 4 options:
population parameter
sample statistic
population variance
mode - ANSWER-A
pg. 1
,The median of a sample will always equal the
Question 5 options:
mode
mean
50th percentile
all of the above answers are correct - ANSWER-C
The pth percentile is a value such that at least p percent of the observations are
Question 6 options:
less than or equal to this value
less than this value
more than or equal to this value
more than this value - ANSWER-A
The median is a measure of
Question 7 options:
pg. 2
,relative dispersion
absolute dispersion
central location
relative location - ANSWER-C
If index i (which is used to determine the location of the pth percentile) is not an
integer, its value should be
Question 8 options:
squared
divided by (n - 1)
rounded down
rounded up - ANSWER-D
If a data set has an even number of observations, the median
Question 9 options:
cannot be determined
pg. 3
, is the average value of the two middle items
must be equal to the mean
is the average value of the two middle items when all items are arranged in
ascending order
Save - ANSWER-D
The most frequently occurring value of a data set is called the
Question 10 options:
range
mode
mean
median - ANSWER-B
The coefficient of variation is
Question 11 options:
the same as the variance
the standard deviation divided by the mean times 100
pg. 4
