Statistical Sharpsh ters

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Statistical Sharpsh ters
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• HOW TO PLAY
• Create a team of 4 players.
• For each question, each team member will be
  required to work out the answer.
• After a few moments, group members will be
  allowed to compare their answers and choose one
  final answer.
• Write your final answer on your final answer
  board. Remember to include any necessary
  labels!!! No Label Incorrect

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• HOW TO PLAY
• For each correct answer your team will earn
  either 1 point (free throw), 2 points (dunk), or
  3 points (long range)
• If you answer correctly on the Money Ball shot,
  you will be allowed to shoot a shot at the hoop
  in order to double, triple, or quadruple your
  total points.
• To get back to the question selection screen,
  click on the type of shot ball.

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Which of the following is a statistical question?
A) How tall is Mrs. Reid? B) What is the area
code of Chicago? C) Who won Super Bowl 37? D)
How many pennies do the students in Mr.
Frommanns Green Class have in their piggy banks?
D
Free Throw
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Which of the statements below would require the
use of statistics to prove their validity? A) 40
students ride bus 245 to school. B) More than
half of the students made the honor roll for the
2nd marking period. C) George Washington was the
first President of the USA. D) Mr. Frommann is
33 years old.
B
Dunk
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What is the mean of the data points listed
below? 14, 12, 22, 45, 12, 13, 8
18
Free Throw
8
What is the interquartile range of the data
points listed below? 14, 12, 22, 45, 12, 13, 8
10
Dunk
9
The value of the first quartile in a set of data
is 32. What percent of the information would have
a value higher than 32?
75
Dunk
10
The homerun totals for several Iroquois Chiefs
athletes who play baseball are 4, 8, 9, 10, 3,
11 Which statement about these totals is
true? A) The mode is 8.5 B) A total of 50
homeruns were hit C) Half of the players hit
more than 8.5 homeruns and half the players hit
less than 8.5 homeruns D) An average of 8
homeruns were hit
C
Dunk
11
Christine conducted a survey asking each student
in her group how many cars their family owned.
The results were 1, 4, 5, 2, 4, 2, not including
her own family. If the average number of cars
owned was 3 cars, how many does Christines
family own?
3 cars
Dunk
12
Francis was normally a 70 student. He kept track
of his test scores during the final marking
period of the year. At the end of the quarter, he
made a list he wanted to show his parents to
prove that he was improving as a student. Which
grade might his parents question and refer to as
an outlier? Test Scores 80, 82, 84, 81, 95, 78,
85
95
Free Throw
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What is the median high temperature last week in
Tacoma, Washington?
Date High Temperature (F) Low Temperature (F)
Monday 86 44
Tuesday 68 51
Wednesday 67 50
Thursday 73 46
Friday 80 45
Saturday 81 52
Sunday 67 54
73 F
Free Throw
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Which of the following statements is not
true? A) range maximum minimum B) A set of
numbers contains an even number of data points.
The median will be in-between two numbers C) The
average of a set of numbers can be larger than
the maximum value D) Interquartile range is a
measure of variation
C
Free Throw
15
Rory collected data about his favorite hockey
player, Sidney Crosby. Crosby has suffered
numerous injuries and Rory wanted to see how many
games he played in each of his seasons in the
NHL. His totals are 81, 79, 53, 77, 81, 41, 22,
36. What is the mode for the number of seasons
Sidney Crosby has played in his career?
81 games
Free Throw
16
Wesley has earned test scores of 56, 65, 76,
and 62. He is taking a fifth test next week and
needs to score high enough to pass. What is the
lowest score he can earn and still pass? A)
70 B) 66 C) 65 D) 64.75
B
Dunk
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Which of the following is not a step required for
finding the mean absolute deviation (MAD) of a
set of numbers? A) Find the average of the
numbers. B) Find the distance each data point
is from the mean. C) Put the numbers in
numerical order D) Find the average of the
distances from the mean for each data point.
C
Free Throw
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What is the mean absolute deviation of the set of
numbers below? 8, 10, 14, 13, 15
2.4
Dunk
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Over the past several seasons the Buffalo Bills
have the following win totals have a mean
absolute deviation of 1 win. Which statement
below best describes their MAD? A) The Bills did
not win many games. B) The Bills win total is
very consistent. C) The Bills won about 1 game
each season. D) The Bills did not make the
playoffs in any season.
B
Long Range
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A survey was conducted regarding text messages
sent by teenagers in a 1 week period last
summer. The interquartile range was 9. Which
statement below best describes the IQR? A) Only
9 texts, are you crazy?!? Teens send a lot more
texts than that! B) The range is small C) The
middle 50 of the data is clustered or close in
value D) The middle 50 of the data is spread
out or not close in value
C
Long Range
21
In a 10 game stretch last season Ryan Miller let
in the goal totals listed below. Which statement
about these statistics is true? 4, 4, 4, 2, 2, 2,
2, 4, 2, 3 A) mode gt range B) mean lt median C)
median gt mean D) mean gt median
D
Dunk
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Find the 3rd quartile of the data points listed
below. 8, 10, 14, 13, 15, 37, 9, 14, 19
17
Free Throw
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The chart below shows how students scored on a
algebra quiz. What is the average score for the
class?
Points Earned (out of 20) Number of Students
15 2
16 2
17 1
18 0
19 1
20 5
18 points
Dunk
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Which statement below is not true about the mean
absolute deviation of a set of numbers? A) The
MAD can help you determine how big or small each
number in the list is. B) The MAD can help you
determine about how close each number is to the
mean. C) The MAD can help you decide how spread
out the numbers in a list are. D) The MAD is a
measure of variation.
Long Range
A