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Skills: Identify subjects and variablesGenerate numerical measures of center of spread of the distribution of a quantitative variable and use them to summarize the distribution. "multiple choice" question: select the correct answer. Here again, is the distribution of number hours for exercise per week of 50 male college student: If the largest observation (23 hours) was wrongly recorded as 230 hours. How would that effect the mean, median and the standard deviation of this distribution? Resposta Selecionada: The mean and standard deviation will increase, but the median will not change. Resposta Correta: The mean and standard deviation will increase, but the median will not change. Feedback da resposta: This is correct. The mean and standard deviation are affected by outliers (and therefore will increase), but the median is not affected by outliers and therefore will not change. Pergunta 2 0 em 1 pontos Skills: Identify subjects and variablesGenerate numerical measures of center of spread of the distribution of a quantitative variable and use them to summarize the distribution. "multiple choice" question: select the correct answer. Here again, is the distribution of number hours of exercise per week for 50 male college student: What are appropriate numerical measures of center and spread in this case? Resposta Selecionada: The mean and IQR Resposta Correta: None of the above. Pergunta 3 0 em 1 pontos Skills: Identify subjects and variablesCategorical vs. quantitative. "multiple choice" question: select the correct answer. Remember that a categorical variable is one that can be categorized, or put into types. A quantitative variable is one that can be measured. Of the following variables, which ones are categorical? Resposta Selecionada: Gender, Blood Pressure, Age, Types of Bears, Sunburn Types Resposta Correta: Gender, Types of Bears, Locations, Sunburn Types Pergunta 4 0 em 1 pontos Skills: Compare distributions Identify subjects and variables Interpret boxplots "multiple choice" question: select the correct answer. What is the approximate median SSHA score for each gender? Resposta Selecionada: Females = 145, Males = 100 Resposta Correta: Females = 153, Males =114 Pergunta 5 1 em 1 pontos Skills: Summarize the distribution of a categorical variable. Identify subjects and variables "multiple choice" question: select the correct answer. A June 2017 poll asked a random sample of 2,500 U.S. adults the following question:Which comes closest to your view about the 2010 health care law (Obamacare)? The law is working well and should be kept in place as is;There are some good things in the law, but some changes are needed to make it work better;The law has so much wrong with it that it needs to be repealed entirely.The following pie-chart represents the distribution of responses: Which of the following statements is true regarding what we can learn from the above distribution? Resposta Selecionada: All of the above statements are true. Resposta Correta: All of the above statements are true. Pergunta 6 0 em 1 pontos Skills: Calculate appropriate conditional percentages. Identify subjects and variables "multiple choice" question: select the correct answer. Which numbers would be used to convert to a percentage for Male, Not Enough? Resposta Selecionada: 73/110 Resposta Correta: 73/440 Pergunta 7 1 em 1 pontos Questions 1-3 are related to the following information: A college professor records the following information for each of the 55 students enrolled in her class: \u2022 Gender \u2022 Year (Freshman, Sophomore, Junior, Senior) \u2022 Number of missed classes \u2022 Midterm score \u2022 Extra credit (1 \u2013 Submitted, 2 \u2013 Not submitted) \u2022 Final exam score Skills: Understand the structure of a data set and identify different type of variables. Identify subjects and variables "multiple choice" question: select the correct answer. What are the individuals in this dataset? Resposta Selecionada: The 55 students enrolled in the professor\u2019s class Resposta Correta: The 55 students enrolled in the professor\u2019s class Pergunta 8 1 em 1 pontos Skills: Generate graphical displays of the distribution of a quantitative variable and use them to summarize the overall pattern of the distribution. Identify subjects and variables"multiple choice" question: select the correct answer. The side-by-side boxplots below display the delivery time distributions (in minutes) of two pizza shops \u2013 \u201cBig Slice\u201d and \u201cCity Pizza\u201d 75% of Big Slice deliveries take: Resposta Selecionada: More than 25 minutes Resposta Correta: More than 25 minutes Feedback da resposta: This is correct. Pergunta 9 1 em 1 pontos Skills: Identify subjects and variables Generate numerical measures of center of spread of the distribution of a quantitative variable and use them to summarize the distribution. "multiple choice" question: select the correct answer. Based on the collected data 16% of self-employed individuals work less than how many hours per week? Resposta Selecionada: 39 Resposta Correta: 39 Feedback da resposta: This is correct. Based on the Standard Deviation Rule approximately 68% of self-employed individuals work between 39 and 55 hours. This means that approximately 16% of self-employed individuals work less than 39 hours and 16% work more than 55 hours. Pergunta 10 0 em 1 pontos Skills: Identify subjects and variablesGenerate numerical measures of center of spread of the distribution of a quantitative variable and use them to summarize the distribution. "multiple choice" question: select the correct answer. Based on the collected data, approximately what percent of self-employed individuals work between 47 and 63 hours per week? Resposta Selecionada: 68% Resposta Correta: 47.5%