Exam Questions and Answers for Statistics Module 1 Already Passed
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Course
Statistics Unit 1
Institution
Statistics Unit 1
Exam Questions and Answers for Statistics Module 1 Already Passed
variable - Answers holds information about the same characteristic for many subjects
categorical variable - Answers where the data collected places the individuals in various categories or groups
quantitative variable - Answers w...
Exam Questions and Answers for Statistics Module 1 Already Passed
variable - Answers holds information about the same characteristic for many subjects
categorical variable - Answers where the data collected places the individuals in various categories or
groups
quantitative variable - Answers where the data collected is numerical and it makes sense to use it for
numerical operations
frequency table - Answers lists the categories for a categorical variable and displays the counts for each
category
relative frequency table - Answers lists the categories for a categorical variable and displays the
percenatges for each category
distribution - Answers describes how a quantitative variable behaves. Generally include shape, center,
spread, & unusual features.
bar chart - Answers a display for categorical data that uses bar height to represent counts or
percentages for each category
histogram - Answers a display for quantitative data that uses adjacent bars to represent counts or
percentages of values falling in each interval
stem & leaf or stemplot - Answers a display for quantitative data that uses place values to reprensent
the distributions
dotplot - Answers a display for either kind of data that uses a dot to represent each individual in the
data set
measures of center - Answers mean for distributions that are symmetric, median for all other
distribution shapes
measures of spread - Answers standard deviation for distributions that are symmetric, IQR for all other
distribution shapes
uniform distribution - Answers a distribution whose shape is evenly distributed throughout the values it
takes
symmetric distribution - Answers a distribution whose shape is unimodal and each side is roughly a
mirror image of the other
left skewed distribution - Answers a distribution that has a concentration of data on the upper end and
the tail on the left
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