AP Statistics UPDATED Questions and CORRECT Answers
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Course
AP Statistics
Institution
AP Statistics
AP Statistics UPDATED Questions and
CORRECT Answers
5 number summary - CORRECT ANSWER - 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 num...
AP Statistics UPDATED Questions and
CORRECT Answers
5 number summary - CORRECT ANSWER - 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 - CORRECT ANSWER - 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 - CORRECT ANSWER - 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.
population - CORRECT ANSWER - (statistics) the entire aggregation of items from which
samples can be drawn
What the sample in an experiment or study usually reperesents
categorical data - CORRECT ANSWER - 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 - CORRECT ANSWER - Data associated with mathematical models and
statistical techniques used to analyze spatial location and association.
numerical information describing how much, how little, how big, how tall, how fast, etc.
age is quantitative
bar graph - CORRECT ANSWER - 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 - CORRECT ANSWER - (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 - CORRECT ANSWER - 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
A survey in star city representing the entire state of arkansas
random - CORRECT ANSWER - Assigning participants to experimental and control
conditions by chance, thus minimizing preexisting differences between those assigned to the
different groups.
Assigning subjects to expenrimental groups based on chance.
pulling names or numbers out of a hat
bias - CORRECT ANSWER - Any systematic failure of a sampling method to represent its
population
Any way that tampers with the accuracy of the sample
Undercoverage - CORRECT ANSWER - A sampling scheme that biases the sample in a
way that gives a part of the population less representation than it has in the population.
When some groups in the population are left out of the process of choosing the sample
nonresponse - CORRECT ANSWER - bias introduced to a sample when a large fraction of
those sampled fails to respond
When many people of a sample do not respond
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