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Summary AP Statistics exam rated A 2024
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AP Statistics exam rated A 2024
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AP Statistics exam rated A 20245 number summary - The minumum value, lower quartile, median, upper quartile,
and maximum value for a data set. These five values give a summary of the shape
of the distribution and are used to make box plots.
The five numbers that help describe the center, spread and shape of data
z score - a measure of how many standard deviations you are away from the norm
(average or mean)
-Number of standard deviations a score is above or below the mean (positive
above, negative below
standard deviation - A statistical measure of how far away each value is, on
average, from the mean.
A measure of spread. Specifically, the typical distance the data points are from the
mean.
,AP Statistics exam rated A 2024
population - (statistics) the entire aggregation of items from which samples can be
drawn
What the sample in an experiment or study usually reperesents
categorical data - Data that can be placed into categories . For example "gender" is
a categorical data and the categories are "male" and "female".
Labels or names used to identify categories of like items
If you asked people in which month they were born or what their favorite class is,
they would answer with names, which would be categorical data. However, if you
asked them how many siblings they have, they would answer with numbers, not
categories
Labels or names used to identify categories of like items
quantitative data - Data associated with mathematical models and statistical
techniques used to analyze spatial location and association.
, AP Statistics exam rated A 2024
numerical information describing how much, how little, how big, how tall, how
fast, etc.
age is quantitative
bar graph - a type of graph in which the lengths of bars are used to represent and
compare data in categories
A graph that uses horizontal or vertical bars to represent data.
parameter - (n) a determining or characteristic element; a factor that shapes the
total outcome; a limit, boundary
a characteristic or constant factor
something that determines the limits of certain data values
sample - A relatively small proportion of people who are chosen in a survey so as
to be representative of the whole.
a small part of a population that represents the whole
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