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```Calamity Day #1
For this calamity day activity, you will be creating
flashcards (18) for the upcoming unit on probability and
statistics. These flashcards can be made from index cards
or cut out from pieces of notebook/printer paper.
On one side of the flashcard, you will write the term found
in the oval at the top of each page. On the reverse side of
that card, you will write the definition for that term found in
the rectangle.
Although there may be additional information on each
page (inside a circle or circles), that information should
not be included on your flashcard. It is only meant to
Calamity Day #1
The Probability
Scale
Li
lly
ua
po
e
bl
Eq
Im
i
ss
ke
ly
not intended to be on
The closer the probability
is to 0, the less likely the
event will occur.
The closer the probability
is to 1, the more likely the
event will occur.
Calamity Day #1
The ratio of the number of favorable
outcomes to the total number of
possible outcomes.
or
50%
Calamity Day #1
Experimental
Probability
The ratio of the number of times an event occurs to the
total number of times that the activity is performed...
this is probability based on what DID happen.
Calamity Day #1
Theoretical Probability
The ratio of the number of equally likely outcomes in
an event to the total number of possible outcomes...
this is probability based on what SHOULD happen
outcomes
Calamity Day #1
Compound Event
A combination of two or more
simple events.
The prob. of
The prob. of
AND rolling 4 on a
AND a 3 card.
Calamity Day #1
Independent Event
When the outcome of one event
does not affect the outcome of
another event.
=
Prob(A)Prob(B)
The prob. of
AND rolling 4 on a
Calamity Day #1
Dependent Event
When the outcome of one affects the
outcome of another event.
=
Prob(A)
The prob. of
AND a 3 card.
Calamity Day #1
Measures of Center
Includes the Mean, Median, &
Mode.
Calamity Day #1
The sum of the data
values divided by the
number of items.
15/5 = 3
Set of Data:
3, 4, 5
3+4+5
The mean
Calamity Day #1
The middle data value when the values
are written in numerical order.
1+2+3+4 = 10
Median
1, 2, 3, 4
Median
10/4 =
Calamity Day #1
The data value that occurs the
most often.
, 4, 6, 3, 8
The mode
The mode
is 4 and 2.
There is
no mode.
Calamity Day #1
Measures of
Variation
A measure that describes how spread out or
scattered a set of data. It is also known as
Calamity Day #1
The difference between the greatest
data value and the least data value.
, 9, 10,
1, 5, 9,
The range
The range
The range
Calamity Day #1
The values that divide the data in
four equal parts.
1,3,3,4,5,6,6,7,8,8
Calamity Day #1
Lower (1st) Quartile
The median of the lower half of data.
1,3,3,4,5,6,6,7,8,8
Calamity Day #1
Upper (3rd) Quartile
The median of the upper half of data.
1,3,3,4,5,6,6,7,8,8
Calamity Day #1
Interquartile Range
The difference of the upper quartile
and the lower quartile.
1,3,3,4,5,6,6,7,8,8
Calamity Day #1
Deviation
The average distance between each
data value and the mean.
Find the
mean of the
differences
Find the
2,2,3,4,4
15 5=
Subtract
the mean
each data
=4 5=
```