measures of position
what are measures of position?
a statistical technique that identifies the location of specific value in a data set relative to other values.
how can you applied the measures of position?
-standarized test scores. -interpreting data.
the most frequent score in our data set.
to what word belongs?
mode
x̄=∑x/n
what formula is this?
mean
{3,7,8,10,15,4,9}
find the mode.
doesnt exist.
what are quartiles?
a statistical term that divides a set of data into four equal parts, or quarters, based on the values of data.
how can you apply quartiles in daily life?
-comparing companies. -understanding data. -creating box plots. -calculating inter quartile range -college admisions.
the difference between the highest and lowest values in a set of data
to what word belongs?
range
= ∑|x−x̄|/n
what formula is this?
mean deviation
{2,10,12,8,7,10,4,10}
find the mode.
10
what are deciles?
each of the ten equal groups into which a population can be divided according to the distribution of values of a particular variable.
how can you apply deciles?
-finanance and economics. -income inequality. -environmental data. -education and health.
the middle score for a set of data that has been arranged in order of maagnitud. the medium mark is the middle mark.
to what word belongs?
median
=∑=(x−x̄)2/n-1
what formula is this?
variance
{2,10,8,7,20,24,52,8,7,10}
what is the mode.
7,8 and 10.
what are percentiles?
a value on a scale of 100 that indicates the percentage of a distribution that is equal to or below it.
how can you apply percentiles?
-test scores. -health indicators. -datas reporting. -real world applications.
equal to eh sum of all the values in the data set divided by the number of values in the data set.
to what word belongs?
mean
=√∑(X−x̄)2/n−1
what formula is this?
standard deviation
{2,8,7,4,,15,24,17}
what is the mode.
doesnt exist