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Can you name the ISDS Test 1 ?

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___of the observations are within 2 standard deviations (±2σ) of the mean.
a summary table of data showing the number of observations in each of the defined numerically-ordered categories (or classes)..
frequency polygon.
a tabular summary of a set of data that accumulates information from class to class. This type of tabular summary can be constructed from frequency and relative frequency distribut.
yield values that represent quantities (weight, salary, return-on-investment, GPA, # of children)..
a tabular summary of a data showing the frequency (or percent) of items in each of several distinct categories..
There is an entire family of normal distributions, defined by the mean and variance.
a tabular summary of a set of data showing the proportion of observations in each of the defined categories..
data.
a graphical representation of data where slices of the pie, represented by degrees, are associated with the frequency or proportion of observations falling into a category..
Standard deviation .
– a distribution in which one half of the data are a mirror image of the other half.
right skewed.
These numeric indices describe three major properties of numeric data.
a measure of relative location that describes how far an individual observation is from the mean.
The most important type of continuous random variable is characterized by a .
_____of the observations are within 3 standard deviations (±2σ) of the mean.
sample.
 .
the manner in which data are distributed .
a summary measure that describes a characteristic of an entire population..
These numeric indices describe three major properties of numeric data:.
gives us the graph of the histogram that represents the continuous random variable. .
those methods that use data from a smaller group (sample) to make conclusions/decisions about the characteristic of a larger group (population)..
measure of variability that utilizes all data values. A measure that reflects how, on the average, observations vary or deviate from the mean..
232121
separates data into stems (leading digits) and leaves (or trailing digits)..
68.26% of values are within 1 standard deviation of the mean. 95.44% of values are within 2 standard deviations of the mean. 99.73% of values are within 3 standard deviations of th.
the boundaries for each class; These are very subjective, must be defined so that all observations are included. .
statistic.
The curve is asymptotic, meaning that it approaches the horizontal axis at both ends.
graphical representation of data where each category is depicted by a bar representing the frequency or proportion of observations falling into a category..
The random variable X has an infinite range..
class boundries.
The measures of center, (mean, median, mode), are identical and occur at the point where the normal curve is highest.
Many continuous random variables are naturally described by a .
population.
variable.
a sequence of raw data in rank order from the smallest to the largest observation..
If the shape of the distribution/histogram is bell- shaped, we can make the following statements.
left skewed.
The standard deviation determines the width of the curve. Larger values of the standard deviation result in wider, flatter curves; while smaller values result in thinner, more peak.
Approximately ____% of the observations are within 1 standard deviation (±1σ) of the mean.
continuous.
It provides the theoretical framework for statistical inference through .
The normal probability distribution is bell-shaped and symmetric..
The total area under the curve is equal to one..
discrete.
chart where vertical bars are plotted in descending order, combined with a cumulative percentage line.
those methods involved in the collection, summarizing (numerically or graphically), presenting, and analyzing a set of data in order to describe the various features of that data s.

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