AP Statistics - Final Exam Study Guide
(V.2) 2025/2026 Exam Questions and
Correct Answers | New Update
1. The histogram summarizes the responses of 100 people when
asked,"What was the price of the last meal you purchased?"
Based on the histogram, which of the following could be the interquartile
range of the prices?
A) $40
B) $21
C) $10
,D) $5
E) $3 - 🧠 ANSWER ✔✔D) $5
2. Suppose a certain scale is not calibrated correctly, and as a result, the
mass of any object is displayed as 0.75 kilogram less that its actual mass.
What is the correlation between the actual masses of a set of objects and
the respective masses of the same set of objects displaced by the scale?
A) -1
B) -0.75
C) 0
D) 0.75
E) 1 - 🧠 ANSWER ✔✔E) 1
3. A veterinarian collected data on the weights of 1,000 cats and dogs
treated at a veterinary clinic. The weight of each animal was classified as
either healthy, underweight, or overweight. The data are summarized in the
table.
,Based on the data in the table, which of the following is the appropriate
type of graph to visually show whether a relationship exists between the
type of animal and the weight classification.
A) Back-to-back stemplots
B) Scatterplot
C) Side-by-side boxplots
D) Segmented bar chart
E) Dotplot - 🧠 ANSWER ✔✔D) Segmented bar chart
4. A program exists to encourage more middle school students to major in
math and science when they go to college. The organizers of the program
want to estimate the proportion of students who, after completing the
program, go on to major in math or science in college. The organizers will
select a sample of students from a list of all students who completed the
program. Which of the following sampling method describes a stratified
random sample?
A) Select all female students on the list.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED 3
, B) Randomly select 50 students on the list.
C) Randomize the names on the list and then select every tenth student on
the randomized list.
D) Randomly select 25 names from the female students on the list and 25
names from the male students on the list.
E) Randomly select 50 students on the list who are attending college. - 🧠
ANSWER ✔✔
5. The normal curve shown represents the sampling distribution of a
sample mean for a sample size n=25, selected at random from a
population with a standard deviation Ox.
Which of the following is the best estimate of the standard deviation of the
population, Ox?
A) 3
B) 6
C) 15
(V.2) 2025/2026 Exam Questions and
Correct Answers | New Update
1. The histogram summarizes the responses of 100 people when
asked,"What was the price of the last meal you purchased?"
Based on the histogram, which of the following could be the interquartile
range of the prices?
A) $40
B) $21
C) $10
,D) $5
E) $3 - 🧠 ANSWER ✔✔D) $5
2. Suppose a certain scale is not calibrated correctly, and as a result, the
mass of any object is displayed as 0.75 kilogram less that its actual mass.
What is the correlation between the actual masses of a set of objects and
the respective masses of the same set of objects displaced by the scale?
A) -1
B) -0.75
C) 0
D) 0.75
E) 1 - 🧠 ANSWER ✔✔E) 1
3. A veterinarian collected data on the weights of 1,000 cats and dogs
treated at a veterinary clinic. The weight of each animal was classified as
either healthy, underweight, or overweight. The data are summarized in the
table.
,Based on the data in the table, which of the following is the appropriate
type of graph to visually show whether a relationship exists between the
type of animal and the weight classification.
A) Back-to-back stemplots
B) Scatterplot
C) Side-by-side boxplots
D) Segmented bar chart
E) Dotplot - 🧠 ANSWER ✔✔D) Segmented bar chart
4. A program exists to encourage more middle school students to major in
math and science when they go to college. The organizers of the program
want to estimate the proportion of students who, after completing the
program, go on to major in math or science in college. The organizers will
select a sample of students from a list of all students who completed the
program. Which of the following sampling method describes a stratified
random sample?
A) Select all female students on the list.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED 3
, B) Randomly select 50 students on the list.
C) Randomize the names on the list and then select every tenth student on
the randomized list.
D) Randomly select 25 names from the female students on the list and 25
names from the male students on the list.
E) Randomly select 50 students on the list who are attending college. - 🧠
ANSWER ✔✔
5. The normal curve shown represents the sampling distribution of a
sample mean for a sample size n=25, selected at random from a
population with a standard deviation Ox.
Which of the following is the best estimate of the standard deviation of the
population, Ox?
A) 3
B) 6
C) 15
