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Straighterline Introduction to Statistics Final Exam
(Latest 2026 Update) Questions and Verified Answers |
100% Correct | Grade A+||Newest Exam!!!
anais is organizing her rock collection and places each
rock in one of three categories: small, medium, or large.
this illustrates what level of measurement? - Answer-
ordinal
which of the following is an example of a nominal
variable? - Answer-gender
what sort of data are temperature measurements? -
Answer-ratio
based on the graph, which statement best describes the
relationship between daily high temperatures and the
number of people going to the beach? - Answer-it is
negative linear relationship
the table shows the number of train tickets carl purchased
to each station over the last month and the fare to each
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station. what was the average cost per ride? - Answer-
$5.45
the outcomes observes in an experiment are: 2, 8, 3, 10,
4, and 9. what is the sample variance? - Answer-11.6
jason collects information 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? - Answer-the
mean is more affected by a small number of extreme
values
an instructor administers a 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? - Answer-the average student scored at the 40th
percentile
laura's quiz scores during the semester were 87, 82, 90,
92, and 84. what was her mean score - Answer-87
Straighterline Introduction to Statistics Final Exam
(Latest 2026 Update) Questions and Verified Answers |
100% Correct | Grade A+||Newest Exam!!!
anais is organizing her rock collection and places each
rock in one of three categories: small, medium, or large.
this illustrates what level of measurement? - Answer-
ordinal
which of the following is an example of a nominal
variable? - Answer-gender
what sort of data are temperature measurements? -
Answer-ratio
based on the graph, which statement best describes the
relationship between daily high temperatures and the
number of people going to the beach? - Answer-it is
negative linear relationship
the table shows the number of train tickets carl purchased
to each station over the last month and the fare to each
, 2|Page
station. what was the average cost per ride? - Answer-
$5.45
the outcomes observes in an experiment are: 2, 8, 3, 10,
4, and 9. what is the sample variance? - Answer-11.6
jason collects information 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? - Answer-the
mean is more affected by a small number of extreme
values
an instructor administers a 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? - Answer-the average student scored at the 40th
percentile
laura's quiz scores during the semester were 87, 82, 90,
92, and 84. what was her mean score - Answer-87
