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L6 Normal distribution Flashcards | StudBud
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L6 Normal distribution
L6 Normal distribution
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Normal Distribution Intro
Flashcards
10 cards
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Practice quiz
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Questions
10
Answers
1
Which is not a characteristic of the normal distribution curve?
Bell Shaped
Most of the data is away from the mean
Only has 1 peak: unimodal
Symmetric about the mean
2
What is the percentage of the population is within 2 standards of deviation from the mean?
50%
95%
68%
99.7%
3
What percentage of the population should be within one standard deviation of the mean?
25%
68%
95%
99.7%
4
What does this sigma symbol represent when dealing with statistics?
The letter O waving
Mean
Standard Deviation
Normal Distribution
5
Mean = 0, SD = 1. Find the probability that a score is between 0 and 1.86.
97%
3%
47%
68%
6
From the drawing estimate the % that is shaded.
75%
24%
95%
82%
7
What percentage of the population is within 3 standards of deviation from the mean?
95%
68%
75%
99.7%
8
Mean = 0, SD = 1. Find the probability that a score is greater than -2.06.
98%
68%
95%
2%
9
What does this symbol represent in statistics?
Mean
Normal distribution
Population
Standard deviation
10
The area under the whole of the normal distribution curve is always equal to ...
50
Infinity
100
1
