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Math AIMS Blitz
Periods 1 - 3
Statistics
Tuesday, March 30
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Period 1
Define.
1. mean
2. median
3. mode
4. range
5. maximum
6. minimum
7. dependent events
8. independent events
9. combinations
Period 1 ANSWERS
Define each of the following terms.
1. mean average – add all items and divide by the number of items.
2. median middle of a group when put in sequential order
3. mode most frequently occurring
4. range maximum minus the minimum
5. maximum highest value
6. minimum lowest value
7. dependent events events that affect one another
8. independent events events that do not affect one another
9. combinations number of possible outcomes-order doesn’t matter
Period 2
Find the mean,
median, mode, range,
maximum, and
minimum of each set.
1. {1, 2, 2, 3, 4, 5, 11}
2. {7, 6, 1, 7, 4},
3. {7, 10, 3, 2, 5, 12}
Period 2 ANSWERS
Find the mean, median, mode, range, maximum,
and minimum of each set.
1. {1, 2, 2, 3, 4, 5, 11}
mean:4 median:3 mode:2 range:10 maximum:11 minimum:1
2. {7, 6, 1, 7, 4}
mean:5 median:6 mode:7 range:6 maximum:7 minimum:1
3. {7, 10, 3, 2, 5, 12}
mean:6.5 median:6 mode:none range:10 maximum:12 minimum:2
Period 3
1. Kristy & Clint each performed an
Which outcome has a probability of 0?
experiment in which they spun a fair
spinner 12 times. They recorded their
a. After 3 more spins, Clint will have a total
results.
of 8 results of R.
b. After 6 more spins, Kristy will have a
total of 12 results of Y.
c. After 3 more spins, Kristy’s results
match the expected results based on
Kristy
theoretical probability.
Clint
d. After 6 more spins, Clint’s results match
Can you find a current teacher?
the expected results based on
Ask your PE teacher.
theoretical
probability.
2. What is the probability of rolling a
number less than 6 when rolling a sixsided number cube numbered 1
through 6?
a. ½
b. 5/6
c. 1/6
d. 1
Period 3 ANSWERS
1. Kristy & Clint each performed an
Which outcome has a probability of 0?
experiment in which they spun a fair
spinner 12 times. They recorded their
a. After 3 more spins, Clint will have a total
results.
of 8 results of R.
b. After 6 more spins, Kristy will have a
total of 12 results of Y.
c. After 3 more spins, Kristy’s results
match the expected results based on
theoretical probability.
Kristy
d. After 6 more spins, Clint’s results match
Clint
the expected results based on theoretical
probability.
2. What is the probability of rolling a
number less than 6 when rolling a sixsided number cube numbered 1 through
6?
a. ½
b. 5/6
c. 1/6
d. 1