Stat-S 301 Exam 1 Questions with
Accurate Answers
bar chart correct answer chart that displays qualitative data that has been
organized into categories
Biased sample correct answer sample that doesn't represent intended population
and can lead to distorted findings
Binomial Experiment correct answer 1. experiment has fixed number of trials
2. each trial has two outcomes
3. probability of success and failure is consistent
4. each trial is independent
Chebyshev's Theorem correct answer 94% within 4 STD DEV
89% within 3 STD DEV
75% within 2 STD DEV
Clustered bar chart correct answer bar chart that groups several values side by
side within some category
Coefficient of variation correct answer measure of standard devotion in terms of
percentage of the mean
Collectively exhaustive correct answer describes set of events where at least one
of the events must occur duirng an experiment
, contigency table correct answer table that provides a format to display
frequencies of two qualitative variables
continuous data correct answer values that can take on any value within a given
range
Cross-section data correct answer data values that correspond to a specific time
period
Cumaltive relative frequency distribtion correct answer totals the proportions of
observation that are less than or equal to class at which you are looking at
Cumulative percentage polygon correct answer line graph that plots cumulative
relative frequency
Descriptive Stats correct answer branch of stats that focuses on summarizing or
displaying data
direct observation correct answer method of gathering primary data by observing
subjects of internist in natural envirnoment
discrete data correct answer values based on observations that can be counted;
they are restricted to integer values (whole numbers)
Discrete probability distrubtion correct answer listing all possible outcomes of
experiment along with relative frequency
Accurate Answers
bar chart correct answer chart that displays qualitative data that has been
organized into categories
Biased sample correct answer sample that doesn't represent intended population
and can lead to distorted findings
Binomial Experiment correct answer 1. experiment has fixed number of trials
2. each trial has two outcomes
3. probability of success and failure is consistent
4. each trial is independent
Chebyshev's Theorem correct answer 94% within 4 STD DEV
89% within 3 STD DEV
75% within 2 STD DEV
Clustered bar chart correct answer bar chart that groups several values side by
side within some category
Coefficient of variation correct answer measure of standard devotion in terms of
percentage of the mean
Collectively exhaustive correct answer describes set of events where at least one
of the events must occur duirng an experiment
, contigency table correct answer table that provides a format to display
frequencies of two qualitative variables
continuous data correct answer values that can take on any value within a given
range
Cross-section data correct answer data values that correspond to a specific time
period
Cumaltive relative frequency distribtion correct answer totals the proportions of
observation that are less than or equal to class at which you are looking at
Cumulative percentage polygon correct answer line graph that plots cumulative
relative frequency
Descriptive Stats correct answer branch of stats that focuses on summarizing or
displaying data
direct observation correct answer method of gathering primary data by observing
subjects of internist in natural envirnoment
discrete data correct answer values based on observations that can be counted;
they are restricted to integer values (whole numbers)
Discrete probability distrubtion correct answer listing all possible outcomes of
experiment along with relative frequency
