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Problems cover variable types in an SRS, interpreting bar graphs for false statements, constructing stemplots, and comparing mean, median, and distribution symmetry or skewness. Additional items analyze dot plots and boxplots, evaluate response-rate relationships by business size using a contingency table, and determine how raises or combining groups affect mean and median. 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Circle the letter corresponding to the best answer.  \n  1. You measure the age, marital status and earned income of an SRS of 1463 women. The number and type of variables you have measured is  \n(a) 14563  \n(b) four; two categorical and two quantitative.  \n(c) four; one categorical and three quantitative.  \n(d) three; two categorical and one quantitative.  \n(e) three; one categorical and two quantitative.  \n  2. The bar graph below summarizes responses of dog owners to the question, “Where in the car do you let your dog ride?”Which of the following statements is false?  \n(a) Some owners let their pets ride in more than one place in the car.  \n(b) A majority of owners allow their pets to ride in the front passenger seat.  \n(c) The most common place dogs ride is in the back seat.  \n(d) The vertical scale of this graph exaggerates the difference between the percentage who let their dogs ride in the driver’slap versus a passenger’s lap.  \n(e) These data could also be presented in a pie chart.  \n3. Here are the ages of randomly selected people at a community playground.  \n3, 10, 42, 25, 5, 8, 6, 12, 15, 4, 3, 21 To make a stemplot of these scores, you would use as stems  \n(a) 0 and 1.  \n(b) 1, 2, and 4.  \n(c) 0, 1, 2, 3, and 4  \n(d) 3, 10, 42, 25, 5, 8, 6, 12, 15, 4, 3, and 21  \n(e) None of the above is a correct answer.  \n  4. If a distribution is symmetrical, which of the following is true?  \n(a) The mean must be less than the median.  \n(b) The mean and median must be equal.  \n(c) The mean must be greater than the median.  \n(d) The mean is either equal to or less than the median,  \n(e) It’s impossible to tell which of the above statements is true without seeing the data.  \n  5. If a distribution is skewed to the right, which of the following is true?  \n(a) The mean must be less than the median.  \n(b) The mean and median must be equal.  \n(c) The mean must be greater than the median.  \n(d) The mean is either equal to or less than the median,  \n(e) It’s impossible to tell which of the above statements is true without seeing the data.  \n  6. If a distribution is skewed to the left , which of the following is true?  \n(a) The mean must be less than the median.  \n(b) The mean and median must be equal.  \n(c) The mean must be greater than the median.  \n(d) The mean is either equal to or less than the median,  \n(e) It’s impossible to tell which of the above statements is true without seeing the data.  \n  7. Mr. Williams asked the 26 seniors in his statistics class [how many A.P. courses](how many A.P. courses) they had taken during high school. Below is a dot plot summarizing the results of his survey.  \nWhich of the following boxplots is a correct representation of the same distribution?  \n  8. A survey was designed to study how business operations vary according to their size. Companies were classified as small, medium, or large. Questionnaires were sent to 200 randomly selected businesses of each size. Since not all questionnaires in a survey of this type are returned , researchers decided to investigate the relationship between the response rate and the size of the business. The data is shown in the table below:  \n| Size | Response | No Response | Total |\n| --- | --- | --- | --- |\n| Small | 125 | 75 | 200 |\n| Medium | 81 | 119 | 200 |\n| Large | 40 | 160 | 200 |\n\nWhich of the following conclusions seems to be supported by the data?  \n(a) There are more small companies than large companies in the survey.  \n(b) Small companies appear to have a higher response rate than medium or big companies.  \n(c) Exactly the same number of companies responded as didn’t respond.  \n(d) Small companies dislike larger companies  \n(e) If we combine the medium and large companies, then their response rate would be equal to that of the small companies.  \n  9. A small school has 10 employees, one of whom is the principal and the others are teachers. Suppose th","cbCairt2oUCwaC5S","https://ap.wps.com/l/cbCairt2oUCwaC5S","pdf",307181,"English","# Practice Test\n## Multiple Choice Questions (1-12)\n## Questions 13-14 (instruction provided)","[{\"question\":\"What does Question 1 ask about the SRS of 1463 women?\",\"answer\":\"It asks for the number and type of variables measured in the sample, choosing the correct breakdown of categorical versus quantitative variables.\"},{\"question\":\"How do Questions 4-6 determine properties of symmetrical and skewed distributions?\",\"answer\":\"They use relationships among mean and median to select which statement is true for symmetrical, right-skewed, and left-skewed distributions.\"},{\"question\":\"What calculation is required by Question 8’s table about business response rates?\",\"answer\":\"It requires comparing response rates across small, medium, and large businesses and selecting the conclusion supported by the data in the table.\"}]","AP Statistics Chapter 1 - Practice Test - Review Questions | PDF",1790726779,15]