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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)

7.1 100

What is

SCATTER PLOT

7.1 200

Vocabulary:

_______________ is a linear model used to fit a line to a

data set

7.1 200

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

7.2 300

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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7.3/7.4 500

What is

.815 or 81.5%

7.5 100

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:

7.7 300

What is

LINEAR

7.7 400

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What is

A: y = 35.3(0.84)x

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7.7 500

What is

C: y = 0.05x2 – 1.06x + 6.69