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Statistics & Probability POE PLTW Flashcards | StudBud
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Statistics & Probability POE PLTW
Statistics & Probability POE PLTW
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1
What is probability of rolling a 4 and a 5 and a 9 on a single die?
0.50
0.83
0.17
0.0046
2
What is NOT a component of probability?
Hypothesis
Experiment
Event
Sample Space
3
Why are histograms useful?
They help you see trends
All of the above
They are useful for making inferences
They help you analyze data
4
Pulling student names out of a hat is an example of ______________ sampling.
stratified
systematic
random
organized
5
Which method is used to determine probability?
objective
theoretical
empathic
procedural
6
Which of the following is NOT an example of the Binomial Process
rolling die
getting a 10 then a 5 in a deck
magic eight ball
flipping a coin
7
What's mean?
The most amount of a number in a collection of numbers
The highest number minus the lowest number.
The average of a collection of numbers
The middle number of a collection numbers.
8
Find the mean of: 12, 15, 9, 3, 4, 69
69
18.7
15
112
9
What are statistics?
Measurement of independent and interdependent selfconstruals
Collection, evaluation, and interpretation of data
Collection of input and output values
The amount of tax per unit
10
What is a type of statistic?
theoretical
objective
descriptive
inferential
11
As the number of trails increases, relative frequency and probability will ...
frequency and probability are not related to each other
Stay the same
get further apart
become more equal
12
What is the probability of rolling a 4 or a 6 or a 9 on a single die?
.0046
0.5
.83
0.17
13
What is the probability of NOT drawing the Ace of Spades in a deck of 52 cards?
.98
98
1.9 %
.019
14
Which type of statistics creates generalizations based on a sample?
Random
Descriptive
Cluster
Inferential
15
Standard deviation is...
Fifth root of the variance
Fourth root of the variance.
Third root of the variance
Square root of the variance
16
What's the purpose of using standard deviation
All of the answers are correct.
To find out what numbers we can consider normal
To see how numbers relate to each other
To help identify outliers in a set of numbers
17
What is the mode of the following data set: 92, 100, 22, 92, 72, 73, 89, 92, 22
22
100
0
92