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- Understanding Density Curves And Normal Distribution
Understanding Density Curves and Normal Distribution
Authored by Limarys Degro
Mathematics
9th - 12th Grade
CCSS covered
Used 3+ times
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25 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a density curve is symmetrical, then...
There is no way to know the relationship between the mean and the median
The mean should be less than the median
The mean should be greater than the median
The mean is generally equal to the median
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Two measures of center are marked on the density curve shown. Which of the following is correct?
The median is at the yellow line and the mean is at the red line.
The median is at the red line and the mean is at the yellow line.
The mode is at the red line and the median is at the yellow line.
The mode is at the yellow line and the median is at the red line.
.
The mode is at the red line and the mean is at the yellow line.
Tags
CCSS.6.SP.B.5D
CCSS.HSS.ID.A.2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Regardless of the shape of a density curve, the total area under the curve is always...
0
1
100
0.5
Tags
CCSS.HSS.ID.A.1
CCSS.6.SP.B.4
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The density curve shown takes the value 0.5
on the interval 0 ≤ x ≤ 2. What percent of the observations are less than 1?
25%
35%
50%
68%
70%
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
The density curve shown takes the value 0.5
on the interval 0 ≤ x ≤ 2. Find the 70th percentile of the data.
1.4
1.6
1.2
0.8
7.0
Tags
CCSS.6.SP.B.5C
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
The density curve shown takes the value 0.5
on the interval 0 ≤ x ≤ 2. What percent of the observations lie
between 0.5 and 1.2?
25%
35%
50%
68%
70%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A density curve is a curve that is always ______ the horizontal axis.
below
on or above
on or below
above
Tags
CCSS.HSS.ID.A.1
CCSS.6.SP.B.4
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