Graph Types
All the part of a pie chart equal to
100
Probability is the measure of
how likely something is to happen
To find the average of a data set you need to find the
mean
The bell curve is a
normally distribution
Statistics can measure both ___ and ___ values
Bar graphs compares
categories
The probability of getting heads on a perfectly flat coin is
0.5 or 50%
Standard deviation is
the expected difference any random data value is from the mean
A Skewed left distribution has most of its data points
to the right of the mean
The most common distribution is
normal distribution
Histograms are great for showing
change overtime
If something is guaranteed to not happen, it has a probability of
50 percent of the data values are in the data set are less than
the mean
In a normal distribution, ___ values are all the same (hint: more than 2)
the mean, median, and mode
You can best model the percentage of students who like different colors with a
pie chart
The graph type that allows you to see individual data points is a
box Plot
A probability is always between
0 and 1
When the standard deviation is 7 and the mean is 40, the maximum and minimum values that are 2 standard deviations away from the mean are
54 and 26
___ are often right-skewed
Incomes
A common application of normal distribution is in
school test grades
You ___ find the exact mean of a histogram
cannot
The probability of getting 10 or greater on two 6 sided dice is
1/6
4,6,2,8,7,9
The mean of the data set is6
The mean is ___ to outliers than the median
More resistant
The probability of questing an apple phone passcode (hint: 6 numbers) on the first try is
0.000001