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AP® Statistics 2022 Scoring Guidelines . Question 1: Focus on Exploring Data 4 points . General Scoring Notes • Each part of the question (indicated by a letter) is initially scored by determining if it meets the criteria for essentially correct (E), partially correct (P), or incorrect (I). The response is then categorized based on the
The AP Statistics Exam has consistent question types, weighting, and scoring guidelines every year, so you and your students know what to expect on exam day. Section I: Multiple Choice. 40 Questions | 1 Hour 30 Minutes | 50% of Exam Score.
- Part {a):
- Scoring
- Question 1 (continued)
- 3 Substantial Response
- 2 Developing Response
- 3 Substantial Response
- 2 Developing Response
- Question 4 (continued)
- Question 4 (continued)
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
- 3 Substantial Response
- 2 Developing Response
- Part (c):
- Scoring
- Question 6 (continued)
- 3 Substantial Response
- 2 Developing Response
- 1 Minimal Response
In the context of a scatterplot in which y represents weight and x represents length, the following are defined. positive relationship means that wolves with higher values of length also tend to have higher weights. linear relationship means that as length increases by one meter, weight tends to change by a constant amount, on average. strong relat...
Parts (a), (b), and (c) are scored as essentially correct (E), partially correct (P), or incorrect (I). Part (a) is scored as follows: Essentially correct (E) if the response includes the following four components: A reasonable definition of positive A reasonable definition of linear A reasonable definition of strong At least one definition in cont...
Partially correct (P) if the response includes only three of the four components. Incorrect (I) if the response does not meet the conditions for E or P. Notes: The description of a positive relationship should clearly indicate that relatively low values of one variable tend to appear with relatively low values of the other variable, and relatively ...
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
Notes: In all sections, comments about shape should be ignored because complete shape information is not obtainable from boxplots. Responses are not required to give numerical values. If responses provide numerical values, any reasonable approximation from the boxplots is acceptable. Because the boxplots are all symmetric, it is acceptable if the r...
Incorrect (I) if the response does not meet the criteria for E or P. Notes: To justify that the distributions of chemical Y are distinctive across sites, the justification must address both location and variability of the boxplots; for example, by stating that the boxplots do not overlap for chemical Y. If the response chooses chemical X or Z OR ch...
Two sections essentially correct and one section partially correct
Two sections essentially correct and no sections partially correct OR One section essentially correct and one or two sections partially correct OR Three sections partially correct
One section essentially correct OR No sections essentially correct and two sections partially correct
Two sections essentially correct and one section partially correct
Two sections essentially correct and no sections partially correct OR One section essentially correct and one or two sections partially correct OR Three sections partially correct
Use the chip method. The chip method gives equal probability to all possible arrangements, but the coin method does not, as shown in the tables from parts (a-i) and (b-i). Furthermore, the coin method is more likely to result in imbalanced treatment groups with regard to students and teachers, based on the probabilities in parts (a-ii) and (b-ii). ...
Parts (a), (b), and (c) are each scored as essentially correct (E), partially correct (P), or incorrect (I). Part (a) is scored as follows: Essentially correct (E) if the response includes the following three components: The correct probability for each arrangement in the table of (i). Appropriate justification is shown in (i). The correct probabil...
If the response says that it does not matter which method to use, look back to see if the tables are the same in parts (a-i) and (b-i) or ifthe probabilities are the same in parts (a-ii) and (b-ii). If so, part (c) is partially correct if the response justifies the decision by stating that the two tables or the two probabilities are the same. To be...
Two parts essentially correct and one part partially correct
Two parts essentially correct and no parts partially correct OR One part essentially correct and one or two parts partially correct OR Three parts partially correct
One part essentially correct OR No parts essentially correct and two parts partially correct
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Intent of Question. The primary goals of this question were to assess a student’s ability to (1) evaluate a percentile of a normal distribution; (2) evaluate a probability for a normal distribution; and (3) compute an expected value for a random variable with two possible outcomes.
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The primary goals of this question were to assess a student’s ability to (1) compute a probability based on a weighted mixture of two populations; (2) compute a conditional probability; and (3) recognize a binomial random variable and compute the probability associated with it.
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AP® Statistics 2021 Scoring Guidelines © 2021 College Board . Question 1: Focus on Exploring Data 4 points . General Scoring Notes • Each part of the question (indicated by a letter) is initially scored by determining if it meets the criteria for essentially correct (E), partially correct(P), or incorrect (I).
Scoring. Parts (a) and (b) are scored as essentially correct (E), partially correct (P), or incorrect (I). Part (a) is scored as follows: Essentially correct (E) if the response includes reasonable comments on the following five components: Shape (skewed right)
