What statement is best about the scatterplot?

As you get older you watch more tv

Which is a valid conclusion?

45 total students were surveyed

The graph shows the height of the plant for eachweek. Which statement is true?

The initial height was 3.5 inches

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Unit 6 Study Guide Review

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8th grade Math Unit 6 Study guide multiple choice questions

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Questions 17

Answers

1
What do we use to interpret 2 way tables?
Change over Time
none of these
Relative Frequency
Line of Best Fit
2
What is the name for the type of graphs that do not have numerical values?
Qualitative
Quadratic
Nonlinear
Linear
3
What statement is best about the scatterplot?
As you watch more tv, your age decreases
There is no relationship between age and watching tv
As you get older you watch more tv
As you get older you watch less tv
4
What is Lanna's distance on day 10 of her marathon training?
30 miles
21 miles
27 miles
33 miles
5
Which is a valid conclusion?
Of students that play instruments, most don't like classical
Most students play an instrument
Most who like music don't play instruments
45 total students were surveyed
6
Estimate how much tv a 50 year old watches.
2 hours a day
5 hours a day
4 hours a day
6 hours a day
7
What do we use to interpret scatter plots?
Relative Frequency
Change over Time
Line of Best Fit
none of these
8
Estimate Brian's keyboarding speed at 15 weeks.
65 wpm
55 wpm
60 wpm
50 wpm
9
Initial value is the same thing as...
both a & b
b
m
y intercept
10
The graph shows the height of the plant for eachweek. Which statement is true?
The plant grew .75 inch per week
The initial height was 3.5 inches
The plant grew 1 inch per week
The initial height was 4 inches
11
What is the most reasonable equation for the line of best fit?
y = 3x + 15
y = -3x + 15
y = 1.5x + 15
y = -1.5x + 15
12
What type of association is shown?
no assiciation
postive
negative
13
Rate of change is the same thing as...
rise over run
m
slope
all of these
14
What do we use to interpret qualitative graphs?
Relative Frequency
Line of Best Fit
Change over Time
none of these
15
Find % of students who like music & play instruments to the total # who play instruments?
.83
.12
.88
.89
16
Write the algebraic equation for this table
y = 32.5x
y = 65x
y = 65x + 1
y = 32.5x + 65
17
Adult tickets cost $8.50. Write an equation to find the total cost of any number of tickets
t = 5.75c
t = 8.5c
c = 8.5t
c = 5.74t

Unit 6 Study Guide Review Flashcards | StudBud