Cycle 4: Sections 5, 7 & 8 REVIEW

Presentation

•

Mathematics

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10th - 12th Grade

•

Medium

•

CCSS

HSS.ID.A.4, 8.EE.B.5, HSA.CED.A.1

+18

Standards-aligned

Abbie Gutzmer

Used 8+ times

FREE Resource

1 Slide • 24 Questions

Multiple Choice

What is the median?

biggest- smallest

average

the middle #

# that happens the most

Multiple Choice

What is the mean?

# happening the most

the number in the middle

biggest-smallest

the average

Multiple Choice

The mode is the number ________________________.

you see most

you see least

you don't see

you see first

Definitions

Mean, Median and Mode are measures of a data set.
Measure of Variation: DESCRIBES how the data in a data set are spread out.
Standard Deviation and Variance are measures that show how much data values deviate from the mean.
- Find the difference of each value from the mean
- Square that value
- Find the mean (average) of the squared values
- The square root of the above mean is the standard deviation.

Multiple Choice

What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

6.89

10.1

7.26

Multiple Choice

A data set has a mean of 290 and a standard deviation of 20. Calculate the z-score for 265.

$z=250.5$

$z=1.25$

$z=-1.02$

$z=-1.25$

Multiple Choice

A data set has a mean of 300 and a standard deviation of 40. What value would have a z-score of $z=-2$ ?

298

296

220

380

Multiple Choice

What does it mean to have a z-score of $z=0$ on a quiz?

It means you did better than zero people.

It means you scored the same grade as the average grade.

It means you earned a zero on the quiz.

It means the average score was a zero.

Multiple Choice

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 29

2.26

16.45

-2.26

1.26

Multiple Choice

Find the Z-score.

Mean = 22

Standard Deviation: 3.1

x = 41

Would this be an outlier?

Yes; z-score GREATER than 2

No; z-score falls on normal curve

Multiple Choice

Adam's Z-score on a test is +2.50. What does this mean?

Adam's score has a 2.5% chance of being better than any other randomly selected score.

Adam's test score was better than 25% of his peers.

He scored 2.5 standard deviations above the average.

He did terrible.

Multiple Choice

Given y varies directly as x, and y = 39 when x = 3.
Find the value of y when x = 2.

58.5

Multiple Choice

The value of y varies directly with x. Which function represents the relationship between x and y if y = 14 when x = 6.

y=20x

y=84x

y=7/3x

y=3/7x

Multiple Choice

Is the given table a direct variation? If so, what is the constant (k)?

Yes; 1/4

Yes; 4

Yes; 1/2

Multiple Choice

Is the given table a direct variation? If so, what is the constant (k)?

Yes; 8

Yes; 16

Yes; 24

Multiple Choice

Which of the given graphs is a direct variation?

Multiple Choice

True or False:
An inverse variation is always a curve and a direct variation is always a line?

True

False

Multiple Choice

Is the given table a direct variation? If so, what is the constant of variation?

Yes; 1/3

Yes; 3

Yes; 5

Multiple Choice

Direct or Inverse Variation?

Direct Variation

Inverse Variation

Multiple Choice

Choose the Inverse variation equation

$y=22x$

$y=\frac{14}{x}$

$y=5^x$

$y=30-2x$

Multiple Choice

Choose the Direct variation equation

$y=22x$

$y=\frac{14}{x}$

$y=5^x$

$y=30-2x$

Multiple Choice

Choose the Inverse variation graph

Math Response

y varies inversely with x, and

x=6 when y=7

Find the constant (k).

Type answer here

Deg^°

Rad

Multiple Choice

Given that y varies inversely with x, and x =7 when y = 4, what is y when x = 2?

-14

Drag and Drop

In this type of variation, x and y are doing the opposite- when one is increasing, the other is decreasing

Drag these tiles and drop them in the correct blank above

inverse

direct

neither

What is the median?

biggest- smallest

average

the middle #

# that happens the most

Show answer

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MULTIPLE CHOICE

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