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7th GRADE SEMESTER 1 REVIEW #2 Flashcards | StudBud
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7th GRADE SEMESTER 1 REVIEW #2
7th GRADE SEMESTER 1 REVIEW #2
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StudBud Administration
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A Review on Statistics, Probability, and Scale Drawing
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
Which class has a higher median?
1
2
2
300 marbles. If I pick 19 red, 16 blue, 15 green in sample. How many would you think are blue?
32
85
96
160
3
I spin a wheel. It lands red 50, blue 25, green 25. Which describes if the spinner is fair?
Fair - it landed on blue and green the same
Unfair - it landed on red as often as blue & green combined
Fair-the spinner landed on red same as green & blue combined
Unfair because it landed on blue and green the same
4
What is the mean of students taking the bus? (Approximate)
87
78
82
96
5
I type 40 words/min. Which equation will show the amount of time I will spend typing in w words
t = 40/w
w = 40/t
w = 40t
t = 40w
6
Which is the best representation about music to play at a spring concert?
20 members from the freshman band
5 members from each of the grade levels
22 jazz band members
15 girls from all band levels
7
I pick a coin. There are 12 dimes, 5 quarters, 12 nickels, and 21 pennies. Prob. of a nickel?
20%
6/25
1/12
12%
8
What is the range of Math Test Scores?
44
38
94
36
9
A meteorologist predicted 20% rain today. Which statement describes possible rain today?
Rain is certain not to fall today
Rain is likely to fall today
Rain is certain to fall today
Rain is unlikely to fall today
10
What is the median number of students for favorite class?
12.5
13.5
12
11.5
11
I have 500 marbles. 50 blue, 15 green, 35 red in sample. What conclusion is probably valid?
70 % are red
Majority of the total is blue
About 75 are green
30 % are green
12
What would you say about the variability of the 2 classes?
Somewhat Different
Somewhat Similar
Totally Different
Very Similar
13
On a nationwide opinion poll, what would be most appropriate?
Which candidate do voters prefer in upcoming election?
Are customers satisfied with city services in New York?
What % of people in Chicago own their own car?
How much are ski lodge owners impacted by weather?
14
Co. A claims their cars are the choice of more drivers than any. Which statement supports this?
More than half of all drivers own one of their cars
Ten randomly surveyed drivers preferred their cars
Drivers randomly picked from 3 states bought their car
500 random picked drivers said they would like to own a car
15
What conclusion can be supported by the data in the table?
Oatmeal is liked by 23% of the students
Peanut butter is preferred over Vanilla Creme
Oatmeal is the favorite type of cookie
Chocolate Chip has the majority of likes
