MENSA: STATS Quizzes and Answers Chapters 1-3 2026/2027 25pages

When ordering vinyl replacement windows, the following variables are specified for each window. Which of these variables is quantitative? - Answer: area of the window opening in square inches A survey of college students collected information on several variables: Distance from Home, Age, Major, Gender, and Class. The variable Class is - Answer: categorical. True or false? A pie chart and bar graph can be used interchangeably as a graphical display. - Answer: false The bars on a histogram - Answer: always touch one another. An instructor asked students to name their favorite color. An appropriate graph to display the data is a - Answer: pie chart For a small quantitative data set, like a small class's exam scores, one should use a - Answer: stemplot. 2) ____% of the data are less than the median. - Answer: 50% MENSA: STATS Quizzes and Answers Chapters 1-3 2026. The standard deviation has the same unit of measure as the original data. - Answer: True True or false: You should always examine your data for outliers. - Answer: True True or false: The standard deviation is resistant to outliers. - Answer: False True or false: Even though two datasets have the same values for the mean and standard deviation, their shapes can still be different. - Answer: True True or false: The span of the central box in a boxplot shows the variability of almost all of the data. - Answer: False The symbol representing the sample standard deviation is _________. - Answer: s MENSA: STATS Quizzes and Answers Chapters 1-3 2026. Which measures should be used to describe a very right skewed distribution? - Answer: Five-number summary True or false: The mean and median are never equal. - Answer: False The central box in a boxplot shows the distance between: - Answer: First quartile and third quartile five number summary includes - Answer: is better than mean and standard deviation for describing skewed distribution. True or false: The median has the same unit of measure as the data values. - Answer: True The value of the interquartile range is _____. Give your answer rounded to one decimal place. - Answer: Interquartile range is IQR = 128.5 - 86.0 = 42.5.