math 202 final 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?
Select one:
a. nominal
b. ordinal Correct
c. interval
d. ratio
Question 2
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Which of the following is an example of a nominal variable?
Select one:
a. age Incorrect
b. gender
c. height
d. IQ
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What sort of data are temperature measurements?
Select one:
a. interval
b. nominal Incorrect
c. ordinal
d. ratio
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Based on the graph, which statement best describes the relationship between daily high
temperatures and the number of people going to the beach?

Text

Select one:
a. There is no relationship.
b. It is a positive linear relationship. Incorrect
c. It is a negative linear relationship.
d. It is a curvilinear relationship.

,Question 5
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The table shows the number 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?




Select one:
a. $3.60
b. $4.15
c. $5.45 Correct
d. $5.80
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The outcomes observed in an experiment are: 2, 8, 3, 10, 4, and 9. What is the sample
variance?
Select one:
a. 4.1
b. 7.6 Incorrect
c. 9.3
d. 11.6
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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 much higher than the median income. What is the most likely reason
for the difference in the mean and the median?
Select one:
a. The sample size is too small.
b. The median tends to produce lower estimates of central tendency.
c. The median is not an appropriate estimate for annual family income’s level of measurement.
Incorrect
d. The mean is more affected by a small number of extreme values.
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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?
Select one:
a. Approximately 2/3 of the class scored between 30 and 50 on the test.
b. The lowest score on the test was 30 and the highest score was 50.
c. Students found the test to be difficult. Incorrect
d. The average student scored at the 40th percentile.
Question 9
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Laura's quiz scores during the semester were 87, 82, 90, 92, and 84. What was her mean
score?
Select one:
a. 79
b. 84
c. 86
d. 87 Correct
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The table lists the populations and relative frequencies of car ownership in four neighboring
cities. Which city has the most cars?




Select one:
a. Northland
b. Southland Incorrect
c. Eastville
d. Westville
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In the figure shown, Sample A and Sample B have the same