
Understanding Normal Distribution

Interactive Video
•
Mathematics, Science
•
9th - 12th Grade
•
Hard

Lucas Foster
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of using a histogram in data analysis?
To display data in a pie chart format
To break data into equal-sized bins and count items in each bin
To calculate the mean of the data
To find the median of the data
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the mean (mu) represent in a normal distribution?
The height of the bell curve
The width of the bell curve
The area under the curve
The center and peak of the bell curve
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is Euler's number approximately equal to?
0.577
3.14
1.618
2.718
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does increasing the standard deviation (sigma) affect the bell curve?
It makes the curve wider
It makes the curve narrower
It shifts the curve to the right
It makes the curve taller
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total area under the normal distribution curve?
1.0
Infinity
2.0
0.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability of a value falling between 69 and 70 in a normal distribution?
0.57
0.75
0.11
0.03
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the cumulative density function (CDF) represent?
The area from negative infinity to a given x-value
The height of the curve at a given point
The total area under the curve
The probability of a single point
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