ANSWER RATIONALES 2026
◉ z score.
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.
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.
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.
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.
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.
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.
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.
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