AP Statistics Readiness Test

10 questions, balanced across the exam's topics. Answer each one, then submit for your practice readiness estimate and per-topic breakdown. This is a practice estimate — not a prediction or guarantee of your official exam result.

Question 1

Which of the following pairings of a concept with its description is correct?

confidence interval for a proportion — the claim that contradicts the null hypothesis, which the test seeks evidence in favor of type II error — the interval p-hat ± z*√(p-hat(1−p-hat)/n) used to estimate a population proportion alternative hypothesis — the error of failing to reject a false null hypothesis — missing a real effect z test for a proportion — a significance test for a population proportion using a standard normal test statistic, requiring random sampling and sufficient successes and failures

Question 2

The concept "observational study" is most closely associated with which part of the course?

Probability and Random Variables Sampling Distributions Collecting Data Inference for Slopes

Question 3

Before testing a slope, a student checks that the residual plot shows no pattern and roughly constant spread. This situation best illustrates which of the following?

standard error of the slope inference for slope conditions for regression inference power of a test

Question 4

The phrase "the distribution of values taken by a statistic in all possible samples of the same size from the same population" is the definition of which of the following?

sampling distribution confidence interval margin of error central limit theorem

Question 5

In the course framework, "law of large numbers" belongs primarily to which unit?

Inference for Means Probability and Random Variables Chi-Square Inference Exploring One-Variable Data

Question 6

Which of the following is NOT a key concept of Exploring One-Variable Data?

double-blind experiment symmetric distribution percentile outlier

Question 7

All of the following are key concepts associated with Exploring Two-Variable Data EXCEPT

residual central limit theorem correlation coefficient causation

Question 8

Which of the following is NOT a key concept of Chi-Square Inference?

chi-square test for homogeneity skewed distribution expected counts chi-square statistic

Question 9

What is the meaning of "paired t test"?

A family of bell-shaped distributions, indexed by degrees of freedom, used when estimating a mean with the sample standard deviation A t procedure applied to the differences in paired data to test a mean difference of zero Data in which subjects are matched in pairs or measured twice, analyzed by working with the differences The interval x-bar ± t*·(s/√n) used to estimate a population mean

Question 10

All of the following are key concepts associated with Inference for Proportions EXCEPT

p-value type I error histogram confidence interval for a proportion

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