Ap statistics 2014 scoring guidelines college board. Sketch a histogram of these data 10 12 14 16 18 20 22 5 4 3 2. Length cm c u b e r o ot of w e i g h t 5 10 15 20 25 30 35 40 10 9 8 7 6 5 4 3 2 1 length cm re s i d u a l 5 10 15 20 25 30 35 40 0. Choose from 500 different sets of ap statistics chapter 4 flashcards on quizlet. The college board and educational testing service ets are dedicated to the principle of equal opportunity, and their programs. Ap stats chapter 1 notes friday sept 11 exploring data individual objects described by a set of data what is on the xaxis variable characteristic of the individual categorical variable places individuals in groups non numerical quantitative variable numerical values, one can average this data. Chapter 7 sampling distributions, sample proportions, sample means notes, mc questions, answers. If active magnets did not relieve pain, we shouldnot have observed much of a difference. First, because the sign is negative, there is a negative correlation.
Feb 23, 2010 the most important part of this is the table and questions at the bottom. The college board and educational testing service ets are dedicated to the principle of equal opportunity, and their. A survey conducted in a college intro stats class asked students about the number of credit hours they were taking that quarter. Ch 4 practice test solutions chapter 4 ap statistics. Selection file type icon file name description size revision time user chapter 1. For example, all registered voters in a given county. In the regression setting, this description takes a specific form. Over spring break settle on a project idea and partner and submit it to me via this link.
Looking for patterns and departures from patterns chapter 4. Both have roughly symmetric distributions with no outliers. Answer each of the following questions in complete sentences. The practice of statistics, 4th edition for ap starnes, yates, moore chapter 4. Chapter 4 ap statistics practice test noteshighlighting section i.
The median for females is slightly higher 580 vs 570, but. Learn ap stats chapter 4 with free interactive flashcards. Answers test 4b and 4 c answers to the practice quizzes. Test significance level andor confidence interval section 10. Chisquare unit 8 will not be on it, but 2way tables, conditional and marginal distributions and bar graphs will. Ap statistics 2003 sample student responses these materials were produced by educational testing service ets, which develops and administers the examinations of the advanced placement program for the college board. Learn ap statistics vocab chapter 5 with free interactive flashcards. Ap statistics exam scoring guidelines from the 2016 exam administration. The correlation r explains the strength of a straight line relationship. Surveys and samples population, census and sample the population in a statistical study is the entire group of individuals we want information about. W ritin g 4 0 0 4 5 0 5 0 0 5 5 0 6 0 0 6 5 0 7 0 0 7 5 0 8 0 0 s a t s b o x p lo t. From past experience, about 10% of batteries made at the plant are unsuitable. Learn ap statistics chapter 4 with free interactive flashcards. The following problem istaken from an actualadvanced placement statistics examination.
Ap stats chapter 1 notes north thurston public schools. Designing studies page 1 of 3 ap statistics chapter 4 designing studies 4. The median response time is 20 seconds, and the iqr is 32 seconds from q1 11 seconds to q3 43 seconds. Ap statistics chapter 4 notes and practice quantitative data quantitative data data that can be measured distribution provides the possible values of the variable and the frequency or relative frequency of each value. There are two levels of the factor, strain x and strain y. If he can feel relatively certain that the proportion of unsuitable batteries p produced that day is les than 0. Jane blaylock joined the ladies professional golf association lpga in 1969 and by 1972 had become the leading money winner on the tour. Your response to this task will be due on monday the 23rd.
The time it takes students to complete a statistics quiz has a mean of 20. The scatterplot below is constructed with duration time of the previous eruption as the explanatory variable, and time until the next eruption as the response variable. The plant manager also wants to know what proportion of all the batteries produced that day lasted less than 16 hours, which he has declared unsuitable. During the bluegrass invitational tournament, she was disqualified for an alleged rules infraction. Answers to the practice quizzes and tests chapter 4 quiz 4. But it is obvious that the high outliers and extreme right skewness will impact these statistics. That is, knowledge of one part of the table gives no information about any other part. Selection file type icon file name description size revision. Choose from 500 different sets of ap statistics vocab chapter 5 flashcards on quizlet. Take out all the pennies that you have in your pocket or purse.
Matthew blackstone 9122674210 fax 9122674246 email info. Multiple choice select the best answer for each question. The variable is an index number that gives productivity as a percent of the 1967 level. Glynn academy 1001 mansfield street brunswick, ga 31520 principal. Yourtask isto generate a complete, concise statistical response in is minutes. Geologists collected data on the duration of eruptions of the old faithful geyser and the subsequent intervals between eruptions. Case closed itos a matter of life and death chapter 4 ap stats at lshs mr. When we take a census, we attempt to collect data from a a stratified random sample.
Here are data on the output per hour of labor on american farms. Case closed im getting a headache chapter 12 significance. A new clothing store advertises that during its grand opening every customer that enter the store can throw a bouncy rubber cube onto a table that has squares labeled with discount amounts. Chapter 1 exploring data outline and questions sec. Also, read over the chapter 4 investigative task, about auto safety. This short chapter deals with calculating zscores under the standard normal curve, and the percentages with those. Ap statistics exam scoring guidelines, 2016 author. Making sense of statistical significance section 10.
B this is an experiment with one factor or explanatory variable, strain of berry, and one response variable, sweetness of berry. Ap stats chapter 17 reading guide wordpress at lps. Determining premiums there appears to be a moderate, positive, nonlinear relationship between age and monthly premium. Ap statistics notes ms henry county school district.
Learn vocabulary, terms, and more with flashcards, games, and other study tools. If you have a file you would like to share, email me and i will post it on this page. The number of credit hours for a random sample of 16 students is given in the table. Teachers, feel free to use any or all files on this site in your classes.
Start reading some of chapter 4, pages 8390, then do exercises 20, 26, and 27. To conduct a preelection opinion poll on the latest school board election, samples of 5. Choose from 500 different sets of ap stats chapter 4 flashcards on quizlet. Tests about a population mean tests about a population proportion case closed. You will be graded based on the ap rubric and will earn a score of 04. Ap statistics 2000 scoring guidelines these materials were produced by educational testing service ets, which develops and administers the examinations of the advanced placement program for the college board. Each entry in the table is equally likely to be any of the 10 digits 0 through 9. Be sure to communicate clearly enough for any of your classmates to understand what you are saying. Essentially correct e if the response states a correct conclusion in the context of the study. Ap statistics uses the practice of statistics, ti8389 graphing calculator enhanced, second edition by yates, moore and starnes. We saw an unlikely difference, so we conclude they may help. Cc10watkin case closed 10 need help give us a call 1 the.