Elementary Statistics Final
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, What does the notation P(z<a) denote The notation P(z<a) denotes the probability that the z-score is less than a
point estimate A point estimate is a single value used to approximate a population parameter
Z-score When a data value is converted to a standardized scale representing the number of
standard deviations the data value lies from the mean, we call the new value a
____________________.
s The symbol for sample standard deviation is __________________.
Degrees of Freedom Degrees of Freedom Number of data points that are free to vary based on the
person who is responding (ex: mood that day, etc.; gender is the same every day)
Population Population The entire collection of individuals for about which information is sought.
Sample A subset of a population containing individuals who are actually observed.
Simple Random Sample Every sample of size n has the same chance of be being chosen (selected).
Cluster Sampling Items are drawn from the population in groups or clusters.
Systematic Sampling The population items are ordered in a list then every Kth item is sampled.
Voluntary Response Samples (self-selected sample) When people choose to participate in the sample, usually only people with strong
opinions choose to participate.
lower class limit the least number that can belong to a class
Exam – Complete Study
Guide, Review, Practice
Questions & Answers
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, What does the notation P(z<a) denote The notation P(z<a) denotes the probability that the z-score is less than a
point estimate A point estimate is a single value used to approximate a population parameter
Z-score When a data value is converted to a standardized scale representing the number of
standard deviations the data value lies from the mean, we call the new value a
____________________.
s The symbol for sample standard deviation is __________________.
Degrees of Freedom Degrees of Freedom Number of data points that are free to vary based on the
person who is responding (ex: mood that day, etc.; gender is the same every day)
Population Population The entire collection of individuals for about which information is sought.
Sample A subset of a population containing individuals who are actually observed.
Simple Random Sample Every sample of size n has the same chance of be being chosen (selected).
Cluster Sampling Items are drawn from the population in groups or clusters.
Systematic Sampling The population items are ordered in a list then every Kth item is sampled.
Voluntary Response Samples (self-selected sample) When people choose to participate in the sample, usually only people with strong
opinions choose to participate.
lower class limit the least number that can belong to a class
