Straighterline Statistics Final Exam Questions & Answers
Anais is organizing her rock Ordinal
collection and places each
rock in one of three
categories: small, medium,
or large. This illustrates
what level of
measurement?
Which of the following is an Gender
example of a nominal
variable?
What sort of data are Ratio
temperature
measurements?
Based on the graph, which It is negative linear relationship
statement best describes
the relationship between
daily high temperatures
and the number of people
going to the beach?
The table shows the number $5.45
of train tickets carl
purchased to each station
over the last month and the
fare to each station. What
was the average cost per
ride?
,The outcomes observes in an 11.6
experiment are: 2, 8, 3, 10, 4,
and 9. What is the sample
variance?
Jason collects information The mean is more affected by a small number of extreme values
about annual family
income from each student
at his college. He computes
both the mean and median
family income across all
students and is surprised to
find that the mean income
is higher than the median
income. What is the most
likely reason for the
difference in the mean and
the median?
An instructor administers a The average student scored at the 40th percentile
test to a class of 30 students
and observes that the
scores are close to
normally distributed with
a mean score of 40 and a
standard deviation of 10.
What can you conclude
from these results?
Laura's quiz scores during 87
the semester were 87, 82, 90,
92, and 84. What was her
mean score
, The table lists the Westville
populations and relative
frequencies of car
ownership in 4
neighboring cities. Which
city has the most cars?
In the figure shown, sample Median
a and sample b have the
same
The contingency table 54
describes the living
arrangements of students
at a small college. What
percentage of the students
are women who live in off-
campus housing?
Which of these -0.31
correlation coefficients
shows the strongest
linear relationship
between 2 variables
What conclusion can be There is a negative correlation between average daily
drawn from the graph of temperature and hot beverage sales
average daily temperature
and hot beverage sales
The coefficient of Linear
correlation r is a
measurement of statistical
relationships that are
Anais is organizing her rock Ordinal
collection and places each
rock in one of three
categories: small, medium,
or large. This illustrates
what level of
measurement?
Which of the following is an Gender
example of a nominal
variable?
What sort of data are Ratio
temperature
measurements?
Based on the graph, which It is negative linear relationship
statement best describes
the relationship between
daily high temperatures
and the number of people
going to the beach?
The table shows the number $5.45
of train tickets carl
purchased to each station
over the last month and the
fare to each station. What
was the average cost per
ride?
,The outcomes observes in an 11.6
experiment are: 2, 8, 3, 10, 4,
and 9. What is the sample
variance?
Jason collects information The mean is more affected by a small number of extreme values
about annual family
income from each student
at his college. He computes
both the mean and median
family income across all
students and is surprised to
find that the mean income
is higher than the median
income. What is the most
likely reason for the
difference in the mean and
the median?
An instructor administers a The average student scored at the 40th percentile
test to a class of 30 students
and observes that the
scores are close to
normally distributed with
a mean score of 40 and a
standard deviation of 10.
What can you conclude
from these results?
Laura's quiz scores during 87
the semester were 87, 82, 90,
92, and 84. What was her
mean score
, The table lists the Westville
populations and relative
frequencies of car
ownership in 4
neighboring cities. Which
city has the most cars?
In the figure shown, sample Median
a and sample b have the
same
The contingency table 54
describes the living
arrangements of students
at a small college. What
percentage of the students
are women who live in off-
campus housing?
Which of these -0.31
correlation coefficients
shows the strongest
linear relationship
between 2 variables
What conclusion can be There is a negative correlation between average daily
drawn from the graph of temperature and hot beverage sales
average daily temperature
and hot beverage sales
The coefficient of Linear
correlation r is a
measurement of statistical
relationships that are
