Advanced Placement Exam On Statistics! Trivia Questions Quiz

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| By Gian Petersen
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| Attempts: 461
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  • 1/5 Questions

    The table below shows the regression output for predicting the number of calories from the number of milligrams of sodium for items at a fast-food chain. What percent of the variation in calories is explained by the regression model using sodium as a predictor?

    • 7.36%
    • 54.2%
    • 53.8%
    • 73.4%
    • 73.6%
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About This Quiz

What we have here is an advanced placement exam on statistics? The trivia questions quiz will give you an idea of how the final exams are set up and the commonly asked questions. Do give it a try and get to see just how much you recall from your classes and if it is enough to secure you the best results.

Advanced Placement Exam On Statistics! Trivia Questions Quiz - Quiz

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  • 2. 

    A set of test scores has the following 5-number summary:  Min  Q1  Median  Q3  Max  2  18  22.5  28.5  33 Which statement about outliers must be true?

    • There is exactly one outlier on the lower end.

    • There is at least one outlier on the lower end.

    • There is exactly one outlier on the higher end.

    • There is at least one outlier on the higher end.

    • There are no outliers.

    Correct Answer
    A. There is at least one outlier on the lower end.
    Explanation
    Based on the given 5-number summary, the minimum value is 2, which is lower than the lower quartile (Q1) value of 18. This indicates that there is at least one data point that is significantly lower than the majority of the data, making it an outlier on the lower end. Therefore, the statement "There is at least one outlier on the lower end" is true.

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  • 3. 
    A multiple choice test has 30 questions, and each question has five options.  A student has not studied and will guess on every question.  Which calculation shows how to find the probability of getting 15 or more questions correct? - ProProfs

    A multiple choice test has 30 questions, and each question has five options.  A student has not studied and will guess on every question.  Which calculation shows how to find the probability of getting 15 or more questions correct?

    • A

    • B

    • C

    • D

    • E

    Correct Answer
    A. A
    Explanation
    To find the probability of getting 15 or more questions correct, we need to calculate the probability of getting exactly 15, 16, 17, ..., or 30 questions correct and add them together. Since each question has 5 options and the student is guessing, the probability of getting a question correct is 1/5. Therefore, the calculation to find the probability is (1/5)^15 + (1/5)^16 + (1/5)^17 + ... + (1/5)^30.

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  • 4. 

    Marine biologists want to determine whether a small increase in acidity of sea water would adversely affect marine life.  They randomly assigned several Entacmaea quadricolor (a type of sea anemone), to one of eight aquariums with environments as similar as possible to the natural habitat.  Then they randomly selected four tanks, and gradually increased the acidity of the water.  They monitored the health of the anemones for the duration of the study.  Which is not true about this study?

    • An advantage of using only one variety of sea anemones is that there should be less variability in the response to each treatment.

    • A disadvantage of using only one variety of sea anemones is that the scope of inference is limited only to that type of anemone.

    • An advantage of using aquariums is that it is easier to maintain control to avoid confounding factors.

    • A disadvantage of using aquariums is that the anemones might respond differently in the ocean than they do in the aquariums.

    • If the anemones in the aquariums with increased acidity are less healthy than those without increased acidity, it cannot be determined that the increased acidity caused the response.

    Correct Answer
    A. If the anemones in the aquariums with increased acidity are less healthy than those without increased acidity, it cannot be determined that the increased acidity caused the response.
    Explanation
    The statement that if the anemones in the aquariums with increased acidity are less healthy than those without increased acidity, it cannot be determined that the increased acidity caused the response is not true about this study. This is because the researchers randomly assigned the sea anemones to different aquariums and gradually increased the acidity in only four of the tanks. By comparing the health of the anemones in the tanks with increased acidity to those without increased acidity, the researchers can establish a causal relationship between the increased acidity and the adverse effects on marine life.

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  • 5. 

    A polling company wants to estimate, using a 95% confidence interval, the proportion of likely voters that would vote for a particular candidate in the upcoming election.  Of the following choices, which is the smallest sample size that will ensure a margin of sampling error less than or equal to 2 percentage points?

    • 250

    • 950

    • 1,150

    • 2,250

    • 2,450

    Correct Answer
    A. 2,450
    Explanation
    To ensure a margin of sampling error less than or equal to 2 percentage points, a larger sample size is required. The larger the sample size, the smaller the margin of error. Among the given choices, 2,450 is the largest sample size, which means it will provide a smaller margin of error compared to the other options. Therefore, 2,450 is the smallest sample size that will ensure a margin of sampling error less than or equal to 2 percentage points.

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Quiz Review Timeline (Updated): Mar 22, 2023 +

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  • Current Version
  • Mar 22, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Apr 08, 2019
    Quiz Created by
    Gian Petersen
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