Review: Statistical Data
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
+2
Standards-aligned
Roni Berg
Used 1+ times
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22 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rebecca is interested in how much money people spend in dollars on textbooks per college class. She collects data and gets the following totals: {152, 78, 115, 102, 88, 195, 112, 174, 98, 143, 122, 130}.
Calculate the mean of the data.
$116.08
$137.18
$150.91
$125.75
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
The skewness measures the lack of _______ in a distribution. More _______ on one half of the distribution will create skewed data.
symmetry, variation
balance, dispersion
uniformity, concentration
equilibrium, spread
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
How would you describe the data in the image?
skewed right
skewed left
symmetrical
uniform
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
If the mean is really close to the mode, then the distribution is _________.
symmetric.
skewed left.
skewed right.
uniform.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
variance.
mean absolute deviation.
standard deviation.
z-score.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Larger M.A.D. = _______ variability = data _______ spread out.
greater, more
lesser, less
equal, equally
smaller, less
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calculate the Mean Absolute Deviation (M.A.D.) of the following dataset: {3, 4, 8, 6, 10, 5, 7, 1, 9, 7}.
2.4
3.2
4.5
5.1
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