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 Already Graded A+ 2023.
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 Already Graded A+ 2023.
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.
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