Which sample method would give Stan the most valid response?

Stan surveys 50 random people from the phone book.

How do you find the mean from a dot plot?

Add all the numbers and divide by how many you have.

How do you find the range?

Subtract the largest dot from the smallest dot.

Which game is modeled by the given tree diagram?

spinner with 3 colors and a coin

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Duplicate of Math 7 review for final

18 termsStudBud Administration39 plays

This game reviews basic questions students will see on the final. It also review first steps. concepts covered: number system, expressions, equations, inequalities, proportionality, geometric figures, probability, and statistics

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
Which probability has the smallest chance of occurring?
1 pet
0 pets
2 pets
equally likely
2
Which equation could be used to solve for the missing angle?
x+ 35 = 90
x + 35 = 180
24 +41+ x + 35 = 180
24 + 41 + x + 35 = 90
3
Write an equation to represent to following:
0.25 + 50m = 20
20 + 0.25m = 50
50 + 0.25m = 20
0.25 + 20m = 50
4
Which is the graph for : n < 2
D
B
A
C
5
Which sample method would give Stan the most valid response?
Stan surveys 50 random people from the phone book.
Stan ask his friends.
Stan surveys 50 random people at the park.
Stan surveys 50 random people at the library.
6
Which equation could be used to solve for x?
x + 23 = 90
x - 23 = 90
x + 23 = 180
90 + x + 23 = 180
7
Evaluate: -8 + 5
-3
3
-13
13
8
Where is the error?
-2 / -2 ≠ 1
-6 -8 ≠ -2
You should multiply by -2 to both sides , not divide.
You should add 8 to both sides, not subtract 8
9
How do you write 20% as a decimal?
20.0
0.2
2.0
0.02
10
How do you find the mean from a dot plot?
Find the value that occurs most often.
Find the value in the middle.
Add all the numbers and divide by how many you have.
Subtract the largest value from the smallest value.
11
How do you find the median of dot plot?
Add all the dot and divide by how many dots there are.
The number that has the most dots.
Find the dot in the middle.
Subtract the largest dot from the smallest dot.
12
What is 20% as a fraction
2 / 100
20 / 100
20 / 1000
20 / 10
13
Which best model a decline of 5 feet then an increase of 7 feet.
B
C
A
D
14
What is the formula for finding the area of a circle?
A = πr
A = πd
A = π
A = πr2
15
What is the formula to find the circumference of a circle?
C = 2r
C = πr
C = πd
C = πr2
16
How do you find the range?
Find the dot that appears most often.
Find the dot in the middle.
Add all the dot and divide by how many dots there are.
Subtract the largest dot from the smallest dot.
17
Which game is modeled by the given tree diagram?
a number cube and a coin
spinner with 3 colors and a number cube
spinner with 4 colors and a coin
spinner with 3 colors and a coin
18
Which Equation represents the following relationship.
h = 10c
c = 10h + 20
c = 10h
h = 10c + 20

Duplicate of Math 7 review for final Flashcards | StudBud

Duplicate of Math 7 review for final

18 termsStudBud Administration39 plays

Flashcards18 cardsFPractice quizPHost liveL

Questions 18

Answers

1
Which probability has the smallest chance of occurring?
1 pet
0 pets
2 pets
equally likely
2
Which equation could be used to solve for the missing angle?
x+ 35 = 90
x + 35 = 180
24 +41+ x + 35 = 180
24 + 41 + x + 35 = 90
3
Write an equation to represent to following:
0.25 + 50m = 20
20 + 0.25m = 50
50 + 0.25m = 20
0.25 + 20m = 50
4
Which is the graph for : n < 2
D
B
A
C
5
Which sample method would give Stan the most valid response?
Stan surveys 50 random people from the phone book.
Stan ask his friends.
Stan surveys 50 random people at the park.
Stan surveys 50 random people at the library.
6
Which equation could be used to solve for x?
x + 23 = 90
x - 23 = 90
x + 23 = 180
90 + x + 23 = 180
7
Evaluate: -8 + 5
-3
3
-13
13
8
Where is the error?
-2 / -2 ≠ 1
-6 -8 ≠ -2
You should multiply by -2 to both sides , not divide.
You should add 8 to both sides, not subtract 8
9
How do you write 20% as a decimal?
20.0
0.2
2.0
0.02
10
How do you find the mean from a dot plot?
Find the value that occurs most often.
Find the value in the middle.
Add all the numbers and divide by how many you have.
Subtract the largest value from the smallest value.
11
How do you find the median of dot plot?
Add all the dot and divide by how many dots there are.
The number that has the most dots.
Find the dot in the middle.
Subtract the largest dot from the smallest dot.
12
What is 20% as a fraction
2 / 100
20 / 100
20 / 1000
20 / 10
13
Which best model a decline of 5 feet then an increase of 7 feet.
B
C
A
D
14
What is the formula for finding the area of a circle?
A = πr
A = πd
A = π
A = πr2
15
What is the formula to find the circumference of a circle?
C = 2r
C = πr
C = πd
C = πr2
16
How do you find the range?
Find the dot that appears most often.
Find the dot in the middle.
Add all the dot and divide by how many dots there are.
Subtract the largest dot from the smallest dot.
17
Which game is modeled by the given tree diagram?
a number cube and a coin
spinner with 3 colors and a number cube
spinner with 4 colors and a coin
spinner with 3 colors and a coin
18
Which Equation represents the following relationship.
h = 10c
c = 10h + 20
c = 10h
h = 10c + 20