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11.1-11.3 Review Flashcards | StudBud
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11.1-11.3 Review
11.1-11.3 Review
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An Algebra II Quiz! to review concepts learned about statistics and data analysis.
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Find the probability that a randomly selected value is
at least 34
:
50%
2.35%
16%
2.5%
2
Which of the following types of sampling are biased? Select all that apply.
Systematic sample
Convenience Sample
Self-selected Sample
Cluster Sample
3
P(-1\le z\le0.5)
0.0199
0.1915
0.3413
0.5328
4
Identify the type of sample described:
Systematic Sample
Cluster Sample
Convenience Sample
Stratified Sample
5
Identify the sample:
The 50 6th grade students who were chosen
All of the 6th grade students at Washington Middle School
All of the students at Washington Middle School
The number of pets
6
Which of the following is
not
a characteristic of the normal distribution curve?
Symmetric about the mean
Most of the data is away from the mean
Bell-shaped
Evenly distributed probability
7
Identify the population:
The 25 people surveyed
All of the restaurants in the town
All of the residents of the town
All of the people at the restaurant
8
What percentage of the population should be within
one standard deviation
of the mean?
100%
99.7%
95%
68%
9
What does the
sigma
symbol represent in statistics?
z-score
Standard Deviation
Sum of the data
Mean
10
P(z\le1.8)
0.8414
0.0359
0.9641
0.2132
11
What percent of the class scored a
60 or higher
?
34%
80.5%
84%
66%
12
A subset of the population is called ____________ .
A sample
A statistic
A parameter
A hypothesis
13
Does the scenario below represent a random sample?
No
Yes
14
P(z\ge-0.3)
0.9987
0.0179
0.6179
0.3821
15
Identify the method of data collection each situation describes:
Simulation
Survey
Experiment
Observational Study
