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7th Grade Math GMAS Review (3) Flashcards | StudBud
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7th Grade Math GMAS Review (3)
7th Grade Math GMAS Review (3)
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Statistics and Probability
Flashcards
28 cards
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Questions
28
Answers
1
I surveyed students favorite music. Of 550 students, how many prefer Pop/Rock? See table.
396
154
132
264
2
Find the mode of 2, 85, 87, 88, 88
88
2
87
70
3
Which class had a greater range of test scores?
There is no range.
1st period
2nd period
the ranges are the same
4
The graph shows the average price of gas for one month in Austin. Why is the graph misleading?
The intervals on the vertical axis are not equal.
The vertical axis is not labeled.
It shows that the highest price and the lowest prices.
The horizontal scale is missing the odd-numbered days.
5
140 children play Baseball. See table. 1 child is picked randomly. Find P(
not
9 years old)
9/35
4/7
26/35
3/7
6
Which is an appropriate display to show all of the finishing times for 20 runners in a race?
circle graph
Venn diagram
stem-and-leaf plot
bar graph
7
Joe surveyed students favorite color. 18 of 48 chose red. Of 600 students how many prefer red?
225
200
240
320
8
Of 1000 girls I wanted a sample of 30 girls to represent the school. Which survey would be best
Choose 30 gymnasts at the school.
Choose 30 girls in the cafeteria at noon.
Choose 30 girls on the basketball team.
Choose every third girl out of 100 randomly selected names.
9
Find the mean of 2, 85, 87, 88, 88
87
70
2
88
10
Which is
not
a reason that measures of central tendency for a set of data can be misleading?
outliers in the data
incomplete data
inaccurate data
too much data
11
Find the minimum of 2, 85, 87, 88, 88
87
70
2
88
12
If you spin the spinner shown, what is
P
(red or blue)?
1/2
1/4
0
3/4
13
The manager analyzed sales for 1 month. If he orders 150 how many should be Home Productivity?
26
32
36
38
14
Jack knows 35 of 50 kids prefer chocolate milk to white. 200 kids get milk, how many are white?
35
60
15
140
15
Find the upper quartile of 2, 85, 87, 88, 88
88
87
2
70
16
Find the median of 2, 85, 87, 88, 88
88
70
87
2
17
The double dot plot shows wait time in minutes. Which ride typically has a longer wait time?
The wait times are the same for both rides.
Topsy Turvy
No inference can be made from the graph.
Rocket Blast
18
Which is an appropriate display to show the parts of a monthly budget for certain expenses?
histogram
box-and-whisker plot
circle graph
Venn diagram
19
A set of counters is numbered 1-12. You draw one without looking. What is P(less than 4)?
1/3
1/12
1/6
1/4
20
Which statistic is misleading in the following set of test scores? 2, 85, 87, 88, 89
mean
mode
upper quartile
median
21
A number cube is marked with numbers 1-6 on its faces. If you roll the cube once, what is
P
(2)?
1/2
1/6
1/3
2
22
An ordinary six-sided die is rolled. What is P(greater than four)?
1/2
1/6
2/3
1/3
23
Each week the French Club sells bagels & the Spanish Club sells donuts. Which club sells more?
No inference can be made from the graph.
Spanish Club
Both clubs sell the same number of items.
French Club
24
If 130,000,000 voters voted when this poll was taken, how many voters would vote for Johnson?
117,000,000
48,100,00
1,170,000,000
11,700,000
25
Which is an appropriate display to show the spread of 38 scores for Mrs. Fink’s last math test?
box-and-whisker plot
circle graph
line graph
Venn diagram
26
About how many points higher is the upper quartile for the NFC than the AFC?
5 points
7 points
10 points
15 points
27
Which statistic gives the most accurate data for the set of test scores? 2, 85, 87, 88, 89
range
mode
mean
median
28
For which division were 75% of the points scored greater than 16 points?
AFC
NFC
neither division
both divisions
