The difference b/t the observed y value+predicted y value

How many standard deviations from the mean a value is, How far you are from the mean

A number calculated from a population.

What does SUCS stand for?

Shape, Unusual Data, Center, Spread

A tree diagram is used for

Calculating Conditional Probabilities

A simple random sample is

Everyone in a space that has the same chance of selection

When questions ask if there is a relationship in the association, remember that

Correlation does not mean causation

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AP Statistics Midterm Review

78 termsStudBud Administration22 plays

This is my version of a practice midterm test for the best class ever, AP Stats. Happy learning:)

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Questions 78

Answers

1
Describe the shape of this distribution.
Unimodal and symmetric
Uniform
Skewed left
Bimodal and skewed.
2
The experimental condition being imposed on the group is called the
Subjects
Level
Control group
Treatment
3
Formula for finding a range.
Max+Min
Max/Min
Min-Max
Max-Min
4
If you calculate a positive residual, the actual value was
Less than the predicted value
More than the predicted value
5
Lying is a type of
No response bias
Cluster sample
Mean act
Response bias
6
When describing the data distribution of quantitative data, we use the acronym
NASA
SUCS
DUFuS
FBI
7
What type of graph is this?
Pie chart
Segmented bar graph
Histogram
Bar chart
8
For describing an association, we use the acronym
SUCS
USA
DUFS
SFUD
9
True or false. The picture is an example of the normal model.
False
True
10
Data are not curved if a residual
Shows a curve
Shows no form or pattern
Shows a circle
Shows form and pattern
11
The group where no treatment is applied is called the
Good group
Homogenous group
Uncontrolled group
Control group
12
This association has a r of approximately
1
-1
-0.7
0.3
13
Describe the association.
Negative, curved, weak
Negative, curved, moderate
Positive, curved, strong
Positive, curved, moderate
14
Describe the association.
Trumpet
No association whatsoever
Negative, curved, weak
Positive, gap, very weak
15
Making a prediction outside of the data given means you are
Inferring
Extrapolating
Hypothesizing
Exploring
16
The two types of data we studied are
Statistical and categorical
Quantitative and qualitative
Categorical and quantitative
Research and analytical
17
If a point is far left or far right from the mean, then it has
height
skewness
weight
leverage
18
An attempt to try to get everyone in the population is called a
Representative sample
Approval
Census
Experiment
19
A 5 number summary is used for a
Bar Graph
Box plot
Histogram
Pie chart
20
A type of study where no treatments are imposed and cannot show cause and effect are called
Perspective Studies
Observational studies
Retrospective Studies
experimental study
21
Type of sample. Randomly select a department and survey all the people in it.
Systematic
SRS
Stratified
Cluster
22
What is a residual?
The difference b/t the observed y value+predicted y value
A plot
A plot that shiws a curve or no curve
A number indicating how many SD you are from the mean
23
What is the term for the most common number?
Median
Midrange
Standard Deviation
Mode
24
A z-score is
How many standard deviations from the mean a value is
How far you are from A
How far you are from the mean
Your IQ score
25
A parameter is
A unit of stats
A number calculated from a sample.
The distance around a shape.
A number calculated from a population.
26
Things that cannot happen at the same time are
Mutually inclusive
Independence
Variance
Mutually exclusive
27
If you calculate a negative residual, that means that the actual value was
Less than the predicted value
More than the predicted value
28
You can display categorical data on all of the following charts except
Pie chart
Contingency Table
Bar graph
Histogram
29
The word 'or' in a probability question signifies
Addition
Multiplication
Subtraction
Division
30
We use venn diagrams for
Finding z scores
Statitics
Comparing AP classes
Probability
31
The word 'and' in a probability question signifies
Addition
Subtraction
Multiplication
Division
32
When data is skewed, the mean is pulled
And is increased
Towards the graph
In the direction of the title
In the direction of the skew
33
What does SUCS stand for?
Center, Shape, Spread, Outliers
spead, unusual data, centroid, shape
Skewed, Unique Data, Center, Spread
Shape, Unusual Data, Center, Spread
34
Any point that doesn't fit with the rest is called an
Genius
Influential
Gap
Outlier
35
The association in this picture has a r of
0.3
0
-1
1
36
SAT scores are examples of this type of data:
Categorical
Quantitative
37
What results from samples that do not represent the population?
Inaccurate numbers
People are upset they were left out
Bias
Under coverage
38
A study where it starts now and goes into the future is called a
Retrospective study
Perspective study
39
A ____study is where the data has already been collected and you study certain aspects.
Perspective
Retrospective
40
An example of a systematic sample would be asking
Every 10th person
Everyone you like
Everyone in one group
Everyone in your school system
41
A placebo is
A blind group
A type of experiment
Something that was on greys anatomy
A fake treatment
42
Are a snow day and the number of car crashes that day positively or negatively associated?
Positive
Negative
43
If a ___ ____ is done correctly, it can determine cause and effect.
Stats simulation
Response bias
Experimental design
Stats study
44
A tree diagram is used for
Calculating Conditional Probabilities
Simulations
Calculating Independent Probabilities
Finding z scores
45
When the sample need to be less than 10% of the population, it is called the
10% theorem
10% model
10% rule
10% condition
46
A simple random sample is
Really easy
Everyone in a space that has the same chance of selection
when you pick one person from each homogenous group
Really simple
47
When questions ask if there is a relationship in the association, remember that
Correlation means causation
Correlation does not mean causation
It is always true
Correlation is independent
48
The closer our proportion gets to the hypothetical probability
Theorem of stats
Law of statistics
Law of small numbers
Law of large numbers
49
A type of bias that only people that feel strong respond is called a
Voluntary response bias
Under coverage
No response bias
Response bias
50
A sampling scheme that combines several sampling methods
Multistage
Multi processed
A process
Simulation
51
All of the following are types of graphs used to display quantitative data except
Stem and Leaf
Timeplot
Pictogram
Histogram
52
You ask people if they are right handed until you get a left handed. This is a
Algebraic model
Normal model
Geometric model
binomial model
53
This reduces variation and splits the subjects into homogenous groups.
Blocking
Blinding
Randomizing
Matching
54
Describe the association.
Negative, Linear, Strong
No association whatsoever
Positive, Linear, Strong
Positive, curved, moderate
55
All of the following are stated in the Bernoulli trials except
Only 2 outcomes
Trials are independent
10% rule
Probability of success doesn't change
56
The proportion of times the outcome would occur for a large number of repetitions is called
Probability
A simulation
An event
Independence
57
An effect is ____ _____ if it is too great to be caused by chance.
Systematically wrong
Very significant
Quite significant
Systematically significant
58
Describe the shape of this distribution.
Skewed Right
Uniform
Skewed Left
Bimodal
59
Phone numbers are examples of this type of data:
Categorical
Quantitative
60
What is the interquartile range?
Q2-Q1
Q2-Q4
Q4-Q3
Q3-Q1
61
If this point was removed from this association, would 'r' increase or decrease?
Increase
Decrease
62
If x and y are swapped,
R doesn't change
R changes
R flips
R may change
63
____% of the variation in y can be explained by X. This is
X in context
R^2 in context
Y in context
R in context
64
The median is the
The monkey in the middle
The average
Middle number
The center number when data is sorted
65
Which of the following is not a form of design?
Completely Randomized
Matched pairs
Blocking
Double blind
66
true or false. You must control variables, randomize, and replicate an experiment to be valid.
True
False
67
Which of the following is not a good way to sample a population?
Stratified
Cluster
Convience
Systematic
68
All of the following are types of quantitative data except
Height
Distance
Weight
Zip codes
69
The Normal Model is also known as the
The 25-50-75-100 Rule
Best model
Fundamental Theroem of Stats
The 68-95-99.7 Rule
70
True or false. Categorical data does not make sense to calculate a mean.
False
True
71
Describe the association.
Negative, gap, quadratic moderate
Positive, Quadratic, Strong
Negative, outlier, linear, moderate
Positive, trumpet, weak
72
For questions that ask for a percent to be calculated, we use
Normalcdf
Invnorm
73
If a segmented bar chart shows notable differences of data, then it is
Independent
Not independent
Even
Unique
74
All of the following are w questions associated with data except
Who
Why
What
Which
75
For questions that give you a percent and have you find an X , we use
Normal Model
Invnorm
76
What does DUFS stand for ?
Distance, Unusual, Form, Scatter
Direction, Unique, Form, Scatter
Direction, Unusual, Formality, Strength
Direction, Unusual, Form, Strength
77
The first bulls eye is on the 3rd arrow
Binomial model
Geomertic model
Stats model
Normal model
78
___blinding is when the subject does not know what group they belong to or what the study is on
Double
Some
Single
Triple

AP Statistics Midterm Review Flashcards | StudBud