AP Stats Final Exam Review Questions With Complete Solutions

Ch 1.1- At the beginning of the school year, Mrs. Mallon from Discovery High School asks every students in her classes to fill out a survey that asks for their age, gender, how long they have lived at their current address, their favorite school subject, and whether they plan to go to college after high school. Which of the following best describes the variables that are being measured? correct answer: 3 categorical variables, 2 quantitative (continuous) variable Ch 1.2- Ms. Adkins picked up 12 items in the grocery store with a mean cost of $3.25. Then she added an apple pie that costs $6.50. What is the new mean for all 13 items? correct answer: $3.50 Ch 1.3 (visual)- The states differ greatly in the kinds of severe weather that afflict them. The histogram below shows the distribution of average annual property damage caused by tornadoes over the period of 50 years in the United States. Which of the following could be the median? correct answer: 12 Ch 1.4 (visual)- A random sample of 50 students reported their gender, then selected from 4 options of one words that best described how they felt at the time. The results are summarized in the table. What percentage of males felt tired? Is this value a statistic or a parameter? correct answer: 57.1%, statistic Ch 1.5 (visual)- The mosaic plot displays the distribution of emotion by gender for the random sample of 50 students. Which of the following is the best evidence that there is an association between gender and emotion? correct answer: Knowing a student's gender is helpful for predicting their current emotion. Ch 1.6 (visual)- The pie chart describes the distribution of state tree types for the 50 states in the United States. The category "Other" include all the trees that are the state tree for two or fewer states. Which of the following conclusions can we draw from this chart? correct answer: There are 10 states that have designated a pine as their state tree. Ch 1.7- If a distribution is approximately symmetric, which of the following is true? correct answer: The mean and median must be approximately equal. Ch 1.8- Mrs. Abbey collects health data on many women in each of several small countries. One of the variables measured for each woman in the study is her weight in points. The following list gives the five-number summary for the weights fo adult women in one of the countries. Country A: 92, 110, 120, 160, 240. About what percent of Country A women weigh between 110 and 240 pounds. correct answer: 75% Ch 1.9 (visual)- A sample of 250 high school students were asked, "If you had $1000 to contribute to one kind of charitable organization, which type of organization would you choose? Here is a two way table that displays data on gender and response to this question. Which of the following conclusions seems to be supported by the data? correct answer: The proportion of males who said they would contribute to an environmental organization is higher than the proportion of females who said they would contribute to s