STATS Exam Question And Answers
2024
Eldrick manages wildlife samples for Ducks Unlimited.
Two samples of duck populations at a migratory site are
shown in the table below. Which statement about the
samples is true? - correct answers✅Eldrick should take
another sample because there is too much variability in
the two samples.
A restaurant serves three types of omelettes. Surveys
were taken of the last two days of orders and are
displayed in the table below. Approximately 200
omelettes are served each day. What is the average
number of ham and cheese omelettes served each day? -
correct answers✅120
The owner of a local restaurant surveyed her staff on
their preference of uniform color. The results are
displayed in the table below. Which pair of samples is
most representative of the preference of all the staff? -
correct answers✅NOT None of the samples are
representative because none of the values remained
constant.
Braden wants to compare the types of ducks in two
nearby ponds. He collected two samples using the
following criteria. For sample 1, he counted the types of
ducks on Walden Pond from 6 A.M. to 9 A.M. For sample 2,
he counted the number of Mallard ducks that were on
Brook's Pond from 12 P.M. to 3 P.M. What would improve
,STATS Exam Question And Answers
2024
Braden's plan? Check all that apply. - correct
answers✅Braden should sample the ducks on each
pond at the same time of day because animals are active
at different times.
Braden should sample twice at each pond if he wants to
make sure each sample is representative of the
population.
Braden should count more than Mallard ducks on Brook's
Pond if he wants to compare the types of ducks on each
pond.
Mr. Sanchez surveyed classes to aid in planning the end-
of-year party. For the first sample, Mr. Sanchez surveyed
every third person on each first-period class roster. For
the second sample, Mr. Sanchez surveyed his five honors
math classes. Which statement about Mr. Sanchez's
samples is true? - correct answers✅Sample 2 is biased.
Ducks Unlimited helps sample duck species across the
United States. Samples from one particular location for
the last two years are shown below. Which duck
population seemed to hold steady? - correct
answers✅Wood Duck
Two samples were taken of fish caught on Small Lake and
are shown in the table below. It is estimated that the
Small Lake fish population is roughly 1,000 fish. What is
, STATS Exam Question And Answers
2024
the average number of brown trout in the lake? - correct
answers✅80
Josiah kept track of how many songs of each genre were
played in an hour from his MP3 player. The counts are
displayed in the table below. He has a total of 1,500
songs on his player. Josiah predicted the number of rock
songs on his MP3 player to be 300 songs. Which
statements about his solution are true? Check all that
apply. - correct answers✅He should have found the
average of the number of rock songs by averaging 4 and
6 to get 5.
He did not multiply the numerator and denominator by
the correct number to equal 1,500.
He should have multiplied the numerator and
denominator by 75, not 30, because mr026-2.jpg.
Student representatives surveyed their classmates on
their preference of a school mascot for a new school. The
results are shown in the table below. Which pair of
samples seems most representative of student
preference? - correct answers✅NOT Sample 1 and
sample 3 are most representative because 0 should not
appear in a sample.
Which value is the best estimate of the mean of the
population? - correct answers✅24.2
2024
Eldrick manages wildlife samples for Ducks Unlimited.
Two samples of duck populations at a migratory site are
shown in the table below. Which statement about the
samples is true? - correct answers✅Eldrick should take
another sample because there is too much variability in
the two samples.
A restaurant serves three types of omelettes. Surveys
were taken of the last two days of orders and are
displayed in the table below. Approximately 200
omelettes are served each day. What is the average
number of ham and cheese omelettes served each day? -
correct answers✅120
The owner of a local restaurant surveyed her staff on
their preference of uniform color. The results are
displayed in the table below. Which pair of samples is
most representative of the preference of all the staff? -
correct answers✅NOT None of the samples are
representative because none of the values remained
constant.
Braden wants to compare the types of ducks in two
nearby ponds. He collected two samples using the
following criteria. For sample 1, he counted the types of
ducks on Walden Pond from 6 A.M. to 9 A.M. For sample 2,
he counted the number of Mallard ducks that were on
Brook's Pond from 12 P.M. to 3 P.M. What would improve
,STATS Exam Question And Answers
2024
Braden's plan? Check all that apply. - correct
answers✅Braden should sample the ducks on each
pond at the same time of day because animals are active
at different times.
Braden should sample twice at each pond if he wants to
make sure each sample is representative of the
population.
Braden should count more than Mallard ducks on Brook's
Pond if he wants to compare the types of ducks on each
pond.
Mr. Sanchez surveyed classes to aid in planning the end-
of-year party. For the first sample, Mr. Sanchez surveyed
every third person on each first-period class roster. For
the second sample, Mr. Sanchez surveyed his five honors
math classes. Which statement about Mr. Sanchez's
samples is true? - correct answers✅Sample 2 is biased.
Ducks Unlimited helps sample duck species across the
United States. Samples from one particular location for
the last two years are shown below. Which duck
population seemed to hold steady? - correct
answers✅Wood Duck
Two samples were taken of fish caught on Small Lake and
are shown in the table below. It is estimated that the
Small Lake fish population is roughly 1,000 fish. What is
, STATS Exam Question And Answers
2024
the average number of brown trout in the lake? - correct
answers✅80
Josiah kept track of how many songs of each genre were
played in an hour from his MP3 player. The counts are
displayed in the table below. He has a total of 1,500
songs on his player. Josiah predicted the number of rock
songs on his MP3 player to be 300 songs. Which
statements about his solution are true? Check all that
apply. - correct answers✅He should have found the
average of the number of rock songs by averaging 4 and
6 to get 5.
He did not multiply the numerator and denominator by
the correct number to equal 1,500.
He should have multiplied the numerator and
denominator by 75, not 30, because mr026-2.jpg.
Student representatives surveyed their classmates on
their preference of a school mascot for a new school. The
results are shown in the table below. Which pair of
samples seems most representative of student
preference? - correct answers✅NOT Sample 1 and
sample 3 are most representative because 0 should not
appear in a sample.
Which value is the best estimate of the mean of the
population? - correct answers✅24.2
