Fun Facts about Mrs. vdT
What is my husbands name? Must be spelled correctly.
Shaun
In a frequency table, this column adds up all previous frequencies. What is this called?
Cumulative Frequency
What is the formula for finding class width?
(largest - smallest) / # of classes
What type of chart involves splitting numbers into two parts: stem and leaf?
stem & leaf
What is on the x-axis on a normal histogram?
Class Boundaries
What are my kids names? Must be spelled correctly.
Baker & Bergen
You divide the frequency of a value by the total number of values to get this.
Relative Frequency
How many columns should your frequency table be?
6
What would be a good chart to display percentages, that add up to 100%?
Circle or Pie
Bimodal
Where did I go to college and what sport did I play?
Hastings College & Basketball
Create a frequency table that includes the following data: frequency
Dataset (number of siblings):
0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 9, 10
Classes:
0-2
3-5
6-8
9-11
frequency:
7
7
3
3
When finding relative frequencies, you can list them as a fraction or ...?
Decimal
What chart displays data in a line and shows a change over a certain period of time?
Time Series Graph
What goes on the y-axis on a regular histogram?
Frequency
How old am I?
30
Create a frequency distribution table with follow data: cumulative frequency
Dataset (Gaming Hours/Month):
2, 4, 6, 8, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60, 68, 72, 75, 80, 85, 90, 95, 100, 105, 110, 115
0 – 29
30 – 59
60 – 89
90 – 119
frequency: Cumulative frequency:
8 8
7 15
5 20
6 21
How do you find the midpoint of a class?
What type of line graph consists of class boundaries and cumulative frequencies?
Ogive
What histogram shape can be formed with the following frequencies: 4, 6, 8, 9, 7, 6, 2
Mound or Symmetrical
Where did I go to high school?
Holdrege
Create a frequency distribution table include with the following data: relative frequency.
Dataset (Fruits per Week):
2, 3, 3, 4, 5, 6, 6, 7, 8, 9
classes:
2-3
4-5
6-7
8-9
10-11
Frequency: Relative Frequency:
3/10 = 0.30
2/10 = 0.20
3/10 = 0.30
2/10 = 0.20
0/10 = 0.00
Your last number on your cumulative frequency column should match what other number?
The number of data values in the set.
What type of chart is a bar graph that list answers by most frequently answered, down to least?
Pareto Chart
Sketch two examples of histograms --> One skewed left and one skewed right. Be sure to label which is which!
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