
Days 1-4
Presentation
•
Mathematics
•
6th Grade
•
Easy
+5
Standards-aligned
Christina Mason
Used 4+ times
FREE Resource
21 Slides • 26 Questions
1
Statistical Review Days 1-4
By Christina Mason
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6.SP1 LESSON: Categorical and Numerical Data
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Family Feud
I had you watch a clip from Family Feud because in that show they ask a lot of Statistical Questions. All of the questions can have a variety of answers, making it a statistical question.
6
Multiple Choice
How many siblings do you have?
Statistical
Non-statistical
7
Multiple Choice
How long did it take for each person to get to to school?
Statistical
Non-statistical
8
Multiple Choice
What is your favorite color?
Statistical
Non-statistical
9
Multiple Choice
Choose the statistical question:
What time did you wake up this morning?
What time do sixth graders wake up each morning during the school week?
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Measures of Center
Let's Review!
11
Multiple Choice
To get the ______, add up all the numbers in a data set and divide by the amount of numbers in the data set.
Median
Mean
Mode
Range
12
Multiple Choice
To get the ________, subtract the smallest number in the data set from the biggest number in the data set.
Mean
Median
Mode
Range
13
Multiple Choice
To get the _______, order the numbers in the data set from smallest to biggest and find the middle number in the data set.
Mean
Median
Mode
Range
14
Multiple Choice
To get the ________, select the number that occurs the most in a data set aka the most popular number.
Mean
Median
Mode
Range
15
Multiple Choice
Find the Mean
2
3
9
6
16
Multiple Choice
Find the Median.
70
67
55
65
48
17
Multiple Choice
Find the Mode.
70
67
55
65
No Mode
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11.5 Appropriate Measures
We will determine the Best Measure of Center to use when describing Data.
We will identify Outliers and their effect on the Measure of Center.
20
Multiple Choice
What are the Measures of Center?
Numbers much larger or much smaller than the data set. Numbers that "lie outside" the other values
Mean, Median and Range
Mean, Median and Mode
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Peak- the highest point of data
Cluster- a group of data together.
Clusters and Peaks
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Outlier
An outlier is a value far from the rest of the data in a set
Removing or adding an outlier will affect the range
Removing or adding an outlier will not (most of the time) affect the median
Removing or adding an outlier will affect the mean
24
Multiple Choice
What is a peak on a graph.
The highest point in a cluster.
No point at all.
The lowest point.
All of the Above.
25
Multiple Choice
What is a Gap?
A space in between data points
That clothing company
Two close together data points
26
Multiple Choice
What are outliers?
Q1, Q3, IQR and Range
Numbers much larger or much smaller than the data set. Numbers that "lie outside" the other values
Mean, Median and Range
Mean, Median and Mode
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Sometimes, one measure is more appropriate than others to summarize a data set.
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Multiple Choice
What Measure of Center is appropriate when data may have repeated numbers?
Mean
Median
Mode
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Multiple Choice
What Measure of Center is appropriate when the data have no extreme values?
Mean
Median
Mode
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Multiple Choice
What Measure of Center is appropriate when the data has extreme values but there are no big gaps in the middle of the data?
Mean
Median
Mode
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No Extreme Measures : Mean
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No Extreme Measures but many repeated numbers : Mode
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Extreme Value : Median
207, 1033, 1231, 1332
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Multiple Choice
Which Measure of Center best represents the ages shown?
Mean
Median
Mode
35
Multiple Choice
What is the Mode?
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13
14
36
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To find the Best Measure of Center with an Outlier
Calculate the Mean with and without the Outlier
Calculate the Median with and without the Outlier
The Measure of Center that is LEAST affected by the Outlier is the Best Measure of Center
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41
Multiple Choice
What is the outlier?
11
13
9
43
42
Multiple Choice
What is the mean with the outlier
11
19
33
76
43
Multiple Choice
What is the mean without the outlier?
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19
33
76
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Multiple Choice
What is the Median with the outlier?
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11
33
76
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Multiple Choice
What is the Median with the outlier?
12
11
33
76
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Multiple Choice
What is the Best Measure of Center?
Median
Mean
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Statistical Review Days 1-4
By Christina Mason
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