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Unit 7 Review Unit 7 Review JEOPARDYJEOPARDY
Unit 7 Review Unit 7 Review JEOPARDYJEOPARDY
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7.1
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7.2 7.5 7.7
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Vocabulary:
___________ is a graph of a set of data pairs (x, y)
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What is
SCATTER PLOT
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Vocabulary:
_______________ is a linear model used to fit a line to a
data set
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What is
MEDIAN-MEDIAN LINE
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For the scatter plot tell whether it has a positive, negative, or no correlation
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What is
POSITIVE CORRELATION
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For the scatter plot tell whether it has a positive, negative, or no correlation
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What is
NO CORRELATION
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Find the equation of the median-median line for the data below:
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What is
y = 2x + 36
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Vocabulary:_________________ is the process
of finding a the best fitting quadratic model for a set of data
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What is
QUADRATIC REGRESSION
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Vocabulary:
Finding a line or a curve that matches a set of data points is called
_______________
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What is
CURVE FITTING
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Write the quadratic function whose graph has vertex (-2, 3) and passes
through the point (-1, 1)
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What is
y = -2(x + 2) + 3
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Write the quadratic function whose graph has vertex (1, -4) and
passes through the point (0, -3)
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What is
y = (x – 1)2 - 4
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Write a quadratic function whose graph has x-intercepts -2 and 1
and point (-1, -4)
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What is
y = 2(x + 2)(x – 1)
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Vocabulary:____________ are numerical values
used to summarize and compare sets of data
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What is
STATISTICS
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Vocabulary:
A normal distribution is modeled by a bell-shaped curve called a ________________
that is symmetric about the mean
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What is
NORMAL CURVE
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Find the mean, median, and mode of the data set below
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What is
Mean: 19, Median: 18, Mode: 17
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Give the percent of the area under the normal curve represented by they
shaded region below
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What is
.815 or 81.5%
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What is
.815 or 81.5%
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Identify the type of sample:
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What is
SELF-SELECTED
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Identify the type of sample:
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What is
CONVENIENCE
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Tell whether the sample is biased or unbiased:
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What is
UNBIASED
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Tell whether the sample is biased or unbiased:
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What is
BIASED
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Find the margin of error:
In a survey of 990 workers, 30% said that eat at home during a
typical work week
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What is
± 0.032
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Name the function belowy = 2x2 + 7x – 9
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What is
QUADRATIC
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Name the function below:
y = 3x
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What is
EXPONENTIAL
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Determine which function represents the graph below:
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What is
LINEAR
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What is
A: y = 35.3(0.84)x
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What is
C: y = 0.05x2 – 1.06x + 6.69