AP Stats | Questions And Answers Latest {2024- 2025} A+ Graded | 100% Verified
The dotplot below displays the total number of miles that the 28 residents of one street in a certain
community traveled to work in one five-day workweek. Which of the following is closest to the
percentile rank of a resident from this street who traveled 85 miles to work that week? - B- 70
A large simple random sample of people aged nineteen to thirty living in the state of Colorado was
surveyed to determine which of the two MP3 players just developed by a new company was preferred.
To which of the following populations can the results of this survey be safely generalized? - B) Only
people aged nineteen to thirty living in the state of Colorado.
Janelle collected data on the amount of time in minutes each person in a large sample of customers
spent in a local store. The data also included recording the gender of each customer. These data were
used to generate the box plots shown below. Which of the following statements is true? - E)
approximately half of the males in the sample of customers spent at least as much time in the store as
any female in the sample of customers.
The probability of obtaining a head when a certain coin is flipped is about 0.65. Which of the following is
closest to the probability that heads would be obtained 15 or fewer times when the coin is flipped 25
times? - B) 0.37
A study was conducted using data collected on the birth weights of a random sample of 10 pairs of
identical - C) Ho: uD= 0 and Ha: Uf -Us> UD
The buyer for an electronics store wants to estimate the proportion of defective wireless game
controllers in a shipment of 5000 controllers - E) cluster random sample
A distribution of test scores is not symmetric. Which of the following is the best estimate of the z-score
of the third quartile? - E) this z-score cannot be estimated from the information given
Sophomore, juniors, and senior students at a high school will be surveyed - C) 4
, A certain type of remote control car has a fully charged battery at the time of purchase - A) the
probability that the running time of a randomly selected car of this type, before it requires recharging of
the battery for the first time after its period of initial use, is between 75 minutes and 82.5 minutes.
Which of the following scatterplots could represent a data set with a correlation coefficient of r= -1? - A)
linear, negative association
Publishers of a magazine wish to determine what proportion of the magazines 50,000 subscribers are
pleased with their subscription - C) Mail surveys to 1,000 subscribers randomly selected from all
subscribers.
An environmental scientist wanted to test the null hypothesis that an antipollution device for cars is not
effective. - A) the scientist concludes that the antipollution device is effective when it actually is not.
A data set of test scores is being transformed by applying the following rule to each of the raw scores.
Which of the following is not true - C) the range of transformed scores equals 3.5 ( the range of the raw
scores) + 6.2
A random sample of 25 households from the Mountainview School District was surveyed. In this survey,
data were collected on the age of the - D) 8 years old to less than 10 years old
Based on a random sample of 50 students, the 90 percent confidence interval for the mean amount of
money students spend on lunch - D) 90% of all random samples of 50 students obtained at this high
school would result in a 90% confidence interval that contains the true mean amount of money students
spend on lunch.
Ten percent of all Dynamite mints candies are orange and 45 percent of all holiday mints candies are
orange - D) 13.75 and 2.905
In a random sample of 60 shoppers chosen from the shoppers at a large suburban mall, 36 indicated
that they has been to a movie - D) Two proportion z-test
Which of the following differences in cumulative relative frequencies gives the proportion of trees gives
the proportion of trees that are 12 inches to 16 inches, inclusive, in diameter? - C) 0.726- 0.325
The dotplot below displays the total number of miles that the 28 residents of one street in a certain
community traveled to work in one five-day workweek. Which of the following is closest to the
percentile rank of a resident from this street who traveled 85 miles to work that week? - B- 70
A large simple random sample of people aged nineteen to thirty living in the state of Colorado was
surveyed to determine which of the two MP3 players just developed by a new company was preferred.
To which of the following populations can the results of this survey be safely generalized? - B) Only
people aged nineteen to thirty living in the state of Colorado.
Janelle collected data on the amount of time in minutes each person in a large sample of customers
spent in a local store. The data also included recording the gender of each customer. These data were
used to generate the box plots shown below. Which of the following statements is true? - E)
approximately half of the males in the sample of customers spent at least as much time in the store as
any female in the sample of customers.
The probability of obtaining a head when a certain coin is flipped is about 0.65. Which of the following is
closest to the probability that heads would be obtained 15 or fewer times when the coin is flipped 25
times? - B) 0.37
A study was conducted using data collected on the birth weights of a random sample of 10 pairs of
identical - C) Ho: uD= 0 and Ha: Uf -Us> UD
The buyer for an electronics store wants to estimate the proportion of defective wireless game
controllers in a shipment of 5000 controllers - E) cluster random sample
A distribution of test scores is not symmetric. Which of the following is the best estimate of the z-score
of the third quartile? - E) this z-score cannot be estimated from the information given
Sophomore, juniors, and senior students at a high school will be surveyed - C) 4
, A certain type of remote control car has a fully charged battery at the time of purchase - A) the
probability that the running time of a randomly selected car of this type, before it requires recharging of
the battery for the first time after its period of initial use, is between 75 minutes and 82.5 minutes.
Which of the following scatterplots could represent a data set with a correlation coefficient of r= -1? - A)
linear, negative association
Publishers of a magazine wish to determine what proportion of the magazines 50,000 subscribers are
pleased with their subscription - C) Mail surveys to 1,000 subscribers randomly selected from all
subscribers.
An environmental scientist wanted to test the null hypothesis that an antipollution device for cars is not
effective. - A) the scientist concludes that the antipollution device is effective when it actually is not.
A data set of test scores is being transformed by applying the following rule to each of the raw scores.
Which of the following is not true - C) the range of transformed scores equals 3.5 ( the range of the raw
scores) + 6.2
A random sample of 25 households from the Mountainview School District was surveyed. In this survey,
data were collected on the age of the - D) 8 years old to less than 10 years old
Based on a random sample of 50 students, the 90 percent confidence interval for the mean amount of
money students spend on lunch - D) 90% of all random samples of 50 students obtained at this high
school would result in a 90% confidence interval that contains the true mean amount of money students
spend on lunch.
Ten percent of all Dynamite mints candies are orange and 45 percent of all holiday mints candies are
orange - D) 13.75 and 2.905
In a random sample of 60 shoppers chosen from the shoppers at a large suburban mall, 36 indicated
that they has been to a movie - D) Two proportion z-test
Which of the following differences in cumulative relative frequencies gives the proportion of trees gives
the proportion of trees that are 12 inches to 16 inches, inclusive, in diameter? - C) 0.726- 0.325
