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Statistics Pretest
This graph is an example of a(n):
This graph is an example of a(n):
Statistics Pretest
40 terms
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Flashcards
40 cards
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Practice quiz
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Questions
40
Answers
1
This graph is an example of a(n):
Dot plot
Histogram
Box and Whiskers Diagram
Bar graph
2
This graph is an example of a(n):
Bar graph
Histogram
Box and Whiskers Plot
Dot plot
3
This graph is an example of a(n):
Histogram
Box and Whiskers Diagram
Dot plot
Bar graph
4
True/False: "1 in every 50 people" is an example of a statistic
True
False
5
What do we call the expected curve of a data set?
mean
normal distribution
regular curve
average distribution
6
True/False: Age and height have correlation
False
True
7
Being paid by Toyota to study customers' interest is an example of:
Funding bias
Attrition bias
Reporting bias
Sampling bias
8
True or False: Statistics and Probability are the same thing.
False
True
9
Creating a graphical representation of your data with a mislabeled x-axis is an example of:
Exclusion bias
Reporting bias
Analytical bias
Observer bias
10
Which of the following is an example of bias, if given on a standardized test?
A question about colors.
A question about a deck of cards.
A question about sports rules.
A question converting inches to feet.
11
True/False:The difference between Probability and Statistics is stats deals with real things
False
True
12
Who can create a study?
People over the age of 18
People approved by the Board of Statistics
Everyone
People with a degree in marketing
13
Asking your friends to participate in a study is called:
Convenience sampling
Voluntary Sampling
Multistage Sampling
Stratified Sampling
14
True/False: Number of cars owned and number of dogs owned have correlation
True
False
15
What is the mean?
Average
Middle
Normal
Range
16
True/False: Ice cream sales and temperature have correlation
True
False
17
No relationship means:
Variables are not changing
Variables have no influence over each other
Both variables behave the same way
Variables behave in opposite ways
18
What kind of skew does this data set have?
No skew
Negative skew
Bias skew
Positive skew
19
A direct relationship means:
Both variables decrease together
Both variables behave the same way
Both variables increase together
Variables behave in opposite ways
20
Picking 1 out of every 20 people to participate in a study is called:
Multistage Sampling
Stratified Sampling
Cluster Sampling
Random sampling
21
True/False: Height and number of shoes have correlation
True
False
22
Completing a study despite losing half of your participants is an example of:
Recall bias
Attrition bias
Reporting bias
Observer bias
23
What kind of skew does this data set have?
Positive skew
Bias skew
No skew
Negative skew
24
What does it mean if data is skewed?
It is normal.
It is about kabobs.
It is scattered about the mean.
It is above or below the mean.
25
This graph is an example of a(n):
Dot plot
Box and Whiskers Diagram
Pie chart
Ogive
26
True or False: Statistics are always correct.
False
True
27
True/False: "1 in 50" is an example of a statistic
True
False
28
Disjoint variables are variables that:
Are independent of each other
Are impossible to study
Depend on each other
Are the union of two sets
29
True/False: "1 in every 50 people have red hair" is an example of a statistic
False
True
30
If two variables have correlation, they:
Are affected by time
Change over time
directly influence each other
Are ... correlated?
31
Choosing only people in Arcola to participate in a study on gender beliefs is an example of:
Attrition bias
Funding bias
Reporting bias
Sampling bias
32
Studying eating habits but not polling high school students is an example of:
Type I bias
Observer bias
Exclusion bias
Spectrum bias
33
Picking all people in Arcola to participate in a study is called:
Cluster Sampling
Stratified Sampling
Random sampling
Multistage Sampling
34
True/False: Ice cream sales and drowning deaths have correlation
False
True
35
What kind of skew does this data set have?
Negative skew
Bias skew
Positive skew
No skew
36
This graph is an example of a(n):
Ogive
Pie chart
Dot plot
Box and Whiskers Diagram
37
What is bias?
Prejudice that may help or harm a group.
Making up answers.
Prejudice that harms one group.
Prejudice that helps one group.
38
A study asking people about their childhood memories is an example of:
Observer bias
Attrition bias
Reporting bias
Recall bias
39
An inverse relationship means:
Both variables decrease together
Both variables increase together
Both variables behave the same way
Variables behave in opposite ways
40
How many quartiles are there?
2
3
5
4
