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Honors Algebra 2 Unit 3 Statistics Flashcards | StudBud
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Honors Algebra 2 Unit 3 Statistics
Honors Algebra 2 Unit 3 Statistics
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1
method where each member of the population has an equal chance of being selected
census
random
experimental
observational
2
what type of graph is this?
uniform
normally distributed
skewed left
skewed right
3
critical value
empirical rule
the standard error
how confident we are / probability
margin of error
4
fake treatment
random
experiment
observational
placebo
5
what type of graph is this?
normally distributed
skewed right
skewed left
uniform
6
empirical rule
the z-score
an exact number for a graph
the standard deviation in a normally distributed graph
an estimate for a graph
7
what is the control group?
group given "placebo" or no treatment
the group given treatment
the population
the sample
8
sample
subset of the population
way to model random events in a study
measure or count of the population
information that can't be measured
9
census
modeling random events in a study, close to real world outcomes
study that counts/measures the entire population
dividing the population in unlike groups
dividing the population in alike groups
10
z-score
estimate for a graph
standard score of how far away from the mean
confidence in a problem
subset of the population
11
stratified sample
divides the population in alike groups
divides the population in unlike groups
12
qualitative
divides the population into unlike groups
information that can be measured
measure or count of the population
information that can't be measured, categorized in description
13
what is population?
out of a group that is selected for a poll, majority doesn't respond
each member of the population has an equal chance of being chosen
entire group of objects being studied, all outcomes or responses
members from population who are readily available
14
what is mode?
the population
the data value that occurs the most
the average number of a data set
how far away from the mean
15
measure or count of the sample
statistics
parameter
population
sample
16
what is margin of error?
the errored distance above and below the mean, degree of error in results
the standard error
the confidence level in a problem
attempting to understand cause and effect
17
what type of graph is this?
uniform
skewed right
skewed left
normally distributed
18
response bias
an estimate on a graph
a poll where people don't answer truthfully
a poll where the majority doesn't answer
over / underestimating the population
19
standard of error
how far a number is from the mean
standard deviation over the square root of the sample size, used in MoE
the median
the critical value in MoE
20
non-response bias
subset of the population
everyone in a survey responds
simulation
out of a group that is selected for a poll, the majority doesn't respond
21
what are the numbers for the empirical rule?
65-95.7-99
68-95-99.7
68-99-95.7
67-85-90
22
what is standard deviation?
indicates degree of error in results
attempting to understand cause and effect, minimizing influence
how far away a number is from the mean
measure or count the sample
23
experimental study
attempting to understand cause and effect, but a treatment is imposed
attempting to undertsnad cause and effect, but minimizes influence
fake treatment
members from a population who are readily available
24
what is median?
data value that occurs the most
exactly half of the data lies above and below
entire group of objects being studied
the sample size
25
systematic sample
information that can be measured
study that counds/measures the entire population
ordered in some way then we take every x member
occupants are readily available
26
cluster sample
divides the population in unlike groups
divides the population in alike groups
27
parameter
dividing the population into alike groups
study that counts/measures the entire population
measure or count of the population
subset of the population
28
what type of graph is this?
skewed right
skewed left
normally distributed
uniform
29
convenient sample
each member of the population has an equal chance of being chosen
members from a population who are readily available
divide the population into alike groups
choosing every x member in a population
30
simulation
a poll where people dont respond truthfully
study that counts/measures the entire population
modeling random events in a study, that closely matches real world outcomes
experiemental
31
observational study
fake treatment
members from a population who are readily available
attempting to understand cause and effect, but a treatment is imposed
attempting to undertsnad cause and effect, but minimizes influence
32
information that can be measured
placebo
qualitative
census
quantitative
33
what is mean?
the average number of a data set
standard deviation
exactly half of the data lies above and exactly half lies below
the data value that occurs the most
