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8th Grade Probability and Statistics Flashcards | StudBud
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8th Grade Probability and Statistics
8th Grade Probability and Statistics
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Flashcards
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Questions
10
Answers
1
Select the answer choice with a data set that includes an outlier.
{8,4,2,5,6,9,3,4,5,5,7,5}
{2,4,2,5,6,8,3,4,5,5,7,5}
{3,4,7,5,6,4,5,3,4,5,5,7,5}
{2,4,2,5,6,45,3,4,5,5,7,5}
2
A data point on a scatter plot that appears far away from the others; does not follow the pattern of the others.
Outlier
Frequency
3
Using a linear model for the data, what was the approximate average hourly cost for services?
$40
$75
$65
$100
4
A table used to display categorical data separated by two traits is called a frequency table.
False
True
5
Describes a relationship between two data sets. Can help you analyze trends and make predictions.
Correlation
Model
6
A teacher conducted a survey of the 8th grade class. Given this information, how many students don't drink soda?
32
20
46
24
7
Data with two variables, or pairs of numerical observations.
Bivariate Data
Cluster
8
Based on the plot, select the best answer that describes the direction of the points.
A negative, linear association
A negative, non linear association
A positive, linear association
A positive, nonlinear association
9
The data points create a negative correlation.
True
False
10
Which situation is
most likely
to have a scatter plot with a negative correlation?
Outside temperature and cooling costs
Age of a baby and wight of that baby
Number of questions missed on a test and test grade
Amount of air in a balloon and size of balloon
