jeopardy mean, median, mode and range box and whisker plots histograms final jeopardy stem and leaf...
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JeopardyMean, Median,
Mode and RangeBox and
Whisker PlotsHistograms
Final Jeopardy
Stem andLeaf Plots
AnalyzingData
$100
$200
$300
$400
$500
$100 $100$100 $100
$200 $200 $200 $200
$300 $300 $300 $300
$400 $400 $400 $400
$500 $500 $500 $500
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What is the lower quartile for this set of data?
A. 50B. 91C. 130D. 157E. 210
$ 100
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The lower quartile is (B) 91
A. 50B. 91C. 130D. 157E. 210
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$ 100
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What is the mode number of pets in this set of data?
frequency
$ 200
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The mode for this set of data is 1 pet. There were four students that only
had one(1) pet.
$ 200
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frequency
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What is the range of pets for this set of data?
$ 300
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frequency
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The range is the difference between the highest number and the lowest number.
14 - 0 = 14 The range is 14.
$ 300
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frequency
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The following were Janelle’s 8 quiz scores:
22 24 24 26 27 27 29 30
Janelle thought her median was 26 Jimmy thought her median was 26.5 And June thought her median was 27
Who was right, and why?
$ 400
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The following were Janelle’s 8 quiz scores:
22 24 24 26 27 27 29 30
The median splits the data exactly in half. If you put four(4) numbers on
each side of the median, it would be in-between 26 and 27. Jimmy was right,
the median is 26.5
$ 400
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What is the sum of the mean, median, and mode for the
following set of data?
15 11 7 2 15
$ 500
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2 7 11 15 15Mean = 50 ÷ 5 =10Median =11 Mode =15
Sum = 36
$ 500
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What is the sum of the mean, median, and mode for the following set of data?
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Approximately what is the range of weekly incomes? A. $130 B. $70 C. $120
D. $160 E. $190
$ 100
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(C) 190 - 70 = $120
$ 100
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Quiz Scores
What are the values of the outliers?
$ 200
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Quiz Scores
Outliers are pieces of data that are significantly larger or significantly smaller than the majority of the data. The two outliers are 9 and 10 for the 2nd period class.
$ 200
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Quiz Scores
Which two class periods have identical upper quartiles?
$ 300
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Quiz Scores
1st period and 2nd period have identical upper quartiles of 18.5.
$ 300
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If the median for this set of data is 83.5, what is the lower quartile?
70 72 74 76 78 80 82 84 86 88 90 92
$ 400
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Median
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70 72 74 78 80 82 84 86 88 90 92
There are 6 data points below the median. The lower quartile is between the 3rd point (75) and the 4th point (79). Therefore the LQ is 77.
76
LQ = 77 median $ 400
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Quiz Scores
Why does 5th period appear to not have an upper whisker?
$ 500
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Quiz Scores
The reason why the upper whisker seems to have disappeared is that all
scores in that whisker are the same value as the upper quartile (20).
$ 500
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How many students were surveyed in this poll?
$ 100
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13 Students
$ 100
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What is the median for this set of data?
$ 200
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There are 22 pieces of data. If you count in 11 from both ends, you will end up with 2 middle numbers, 15 and 17. Half way between them is the median, 16.
$ 200
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How many students live more than 10 miles from school?
$ 300
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9 students live more than 10 miles from school?
$ 300
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What is the upper quartile for this set of data?
$ 400
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The upper quartile is 21.
median
Upper quartile
$ 400
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What is the range for this set of data?
Weekly Salaries $ 500
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By using the key, you can see that the maximum salary is $197 and the minimum salary is $100.
The salary range is $197 - $100 = $97.
$ 500Weekly Salaries
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How many
students scored 85% or
higher on the
semester test?
$ 100
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5 10 12 27
$ 100
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How many students scored between 14 and
18 on the Proportions/Rates Quiz?
$ 200
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15 + 23 = 38
$ 200
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When doing homework, which time interval contained exactly 15 students?
Number of Minutes Spent on Homework
How many minutes students spend on homework $ 300
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Number of Minutes Spent on Homework
How many minutes students spend on homework
15 Students spent 200 to 239 minutes or 200 to 240 minutes studying homework.
$ 300
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How many students took the semester
test?
$ 400
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6 + 5 + 12 + 14 + 13 + 6 + 7 +10 + 5 + 10 + 12 = 100
$ 400
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Quickly sketch in the histogram for
the data in the chart.
50 60 70 80 90 100
5
10
15
$ 500
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Minutes watching TV
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50 60 70 80 90 100
5
10
15
87
13
10
12
$ 500
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Minutes watching TV
Frequency
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Plane Flights
There are 96 plane flights in this set of data. How many flights are
above the median?
$ 100
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Half of the flights are above the median. Therefore half of 96 flights are above the median. Half of 96 is 48. There are 48 flights above the median.
$ 100
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Which colored
plane shows the most
consistent flights?
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The Salmon plane has the smallest range. If you ignored the outliers, the Green plane
would have been the most consistent.
$ 200
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Students’ Swimming During June
There are 3 distinct clusters of information in this line plot. Give the maximum and
minimum of each “cluster”.
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Students’ Swimming During June
The clusters of information are:1 to 4, 8 to 13, and 15 to 20.
} } }
$ 300
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The upper quartile for this set of data is 21. If there are 40 students in this class, how many
students scored above 21 on the quiz?
$ 400
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Each section on a box plot contains 1/4 of the data. 1/4 of 40 is ten. Therefore there are 10 students who scored
above the upper quartile of 21.
10 students
10 students
10 students
10 students
$ 400
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Plane Flights
What percent of the data is above the lower quartile?
$ 500
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A box plot is divided into 4 equal sections. Each section contains
25% of the data. Therefore 75% of the data is located above the lower
quartile.
$ 500
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For your Final Jeopardy question, you may risk $0 up to the total amount of money accumulated. Write down how much you want to risk.
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Final Jeopardy
Jen wants to average 92% on her 5 math tests. After taking 4 tests, her average is 90%. What does she need to score on her 5th test so that she averages 92% overall?
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Final Jeopardy Answer
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To average 90% on 4 tests means the total number of points accumulated is 90 x 4 or 360 points.
To average 92% on 5 tests means the total number of points accumulated is 92 x 5 or 460 points.
Since 460-360 = 100, Jen must get 100% or 100 points on the 5th test to average 92%.