ACT Practice_Science_7974_Timed V2
Exam
Question 1. In a line graph showing temperature change over a week, the
temperature increases steadily from 50°F to 80°F. What can be inferred
about the weather during this period?
A) The weather was consistently cold
B) The weather was becoming warmer over the week
C) The temperature remained constant
D) The weather was unpredictable
Answer: B
Explanation: A steady increase in temperature indicates that the weather
was becoming warmer over the week.
Question 2. A scatter plot shows a positive correlation between hours
studied and test scores. Which of the following is the most accurate
interpretation?
, ACT Practice_Science_7974_Timed V2
Exam
A) More studying causes lower test scores
B) There is no relationship between studying and scores
C) Increased hours studied are associated with higher test scores
D) Studying decreases test scores
Answer: C
Explanation: A positive correlation means that as one variable increases, so
does the other, indicating that more studying is associated with higher
scores.
Question 3. Which axis in a bar graph typically represents the categories
being compared?
A) Y-axis
B) X-axis
, ACT Practice_Science_7974_Timed V2
Exam
C) Legend axis
D) Title axis
Answer: B
Explanation: In most bar graphs, the categories are displayed along the X-
axis, while the Y-axis shows the data values.
Question 4. When a trend line on a graph slopes downward from left to right,
what relationship does this suggest between the two variables?
A) Direct relationship
B) No relationship
C) Inverse or negative relationship
D) Causation
Answer: C
, ACT Practice_Science_7974_Timed V2
Exam
Explanation: A downward-sloping trend indicates an inverse or negative
relationship where one variable decreases as the other increases.
Question 5. If a table shows the average daily rainfall over a month, what
statistical measure is most likely being displayed?
A) Median
B) Range
C) Mean (average)
D) Mode
Answer: C
Explanation: The average daily rainfall is calculated as the mean, which
summarizes the central tendency of the data.
Exam
Question 1. In a line graph showing temperature change over a week, the
temperature increases steadily from 50°F to 80°F. What can be inferred
about the weather during this period?
A) The weather was consistently cold
B) The weather was becoming warmer over the week
C) The temperature remained constant
D) The weather was unpredictable
Answer: B
Explanation: A steady increase in temperature indicates that the weather
was becoming warmer over the week.
Question 2. A scatter plot shows a positive correlation between hours
studied and test scores. Which of the following is the most accurate
interpretation?
, ACT Practice_Science_7974_Timed V2
Exam
A) More studying causes lower test scores
B) There is no relationship between studying and scores
C) Increased hours studied are associated with higher test scores
D) Studying decreases test scores
Answer: C
Explanation: A positive correlation means that as one variable increases, so
does the other, indicating that more studying is associated with higher
scores.
Question 3. Which axis in a bar graph typically represents the categories
being compared?
A) Y-axis
B) X-axis
, ACT Practice_Science_7974_Timed V2
Exam
C) Legend axis
D) Title axis
Answer: B
Explanation: In most bar graphs, the categories are displayed along the X-
axis, while the Y-axis shows the data values.
Question 4. When a trend line on a graph slopes downward from left to right,
what relationship does this suggest between the two variables?
A) Direct relationship
B) No relationship
C) Inverse or negative relationship
D) Causation
Answer: C
, ACT Practice_Science_7974_Timed V2
Exam
Explanation: A downward-sloping trend indicates an inverse or negative
relationship where one variable decreases as the other increases.
Question 5. If a table shows the average daily rainfall over a month, what
statistical measure is most likely being displayed?
A) Median
B) Range
C) Mean (average)
D) Mode
Answer: C
Explanation: The average daily rainfall is calculated as the mean, which
summarizes the central tendency of the data.
