Ap statistic - Study guides, Class notes & Summaries

The distribution of heights for adult men in a certain population is approximately normal with mean 70 inches and standard deviation 4 inches. Which of the following represents the middle 80 percent of the heights? 64.87 inches to 75.13 inches The distribution of the amount of water used per wash cycle, in gallons, by a particular brand of dishwasher during a wash cycle is approximately normal with mean 4 gallons and standard deviation 0.2 gallon. Which of the following is closest to the p...

AP Statistics The Culminating Project: Offering career academies in high schools has become more popular during the past 30 years because they help students prepare for work and postsecondary education. A principal at a large high school with a Science, Technology, Engineering, and Mathematics (STEM) Academy is interested in determining whether the status of a student is associated with level of participation in advanced placement (AP) courses. Student status is categorized as (1) STEM f...

Offering career academies in high schools has become more popular during the past 30 years because they help students prepare for work and postsecondary education. A principal at a large high school with a Science, Technology, Engineering, and Mathematics (STEM) Academy is interested in determining whether the status of a student is associated with level of participation in advanced placement (AP) courses. Student status is categorized as (1) STEM for students in the STEM program or (2) reg...

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What is a dotplot? correct answer: A graphical display which shows "dots" for each point. It's good for categorical data- ie data classified into categories. What's the difference between categorical and quantitative data? correct answer: Categorical data fits into various categories; whereas, quantitative data has numerical values associated with it. What is a bar chart? correct answer: A display for categorical data which indicates frequencies or percents for each category. Wha...

How is a population measured? correct answer: a population is measured by a census. How is a sample measured? correct answer: A sample is measured using a sampling technique, of which there are several. Why do we often measure samples instead of populations? correct answer: Collecting data from an entire population is often impossible, infeasible, or beyond the capability of the resources we have available. Samples can supply good estimates of the population, and are much easier to coll...

AP Statistics Flashcards Study Questions 2024. Statistic - correct answer is a single measure of some attribute of a sample parameter - correct answer a quantity (such as the mean or variance) that characterizes a statistical population and that can be estimated by calculations from sample data parameter - correct answer any factor that defines a system and determines its performance Parameters of equations - correct answer Uniform: min and max [also need to know whether distrib. is di...

5 number summary correct answer: The minumum value, lower quartile, median, upper quartile, and maximum value for a data set. These five values give a summary of the shape of the distribution and are used to make box plots. The five numbers that help describe the center, spread and shape of data z score correct answer: a measure of how many standard deviations you are away from the norm (average or mean) -Number of standard deviations a score is above or below the mean (positive...

AP Statistics Exam Study Guide Detailed Questions And Expert Answers