Today I Can.
construct a bar graph,
pie chart, line graph, and
stem and leaf plot by
hand.
interpret a bar graph, pie
chart, line graph, and stem
and leaf plot.
Section 1.1
Displaying Distributions with Graphs
Types of Graphs
Bar Graph
Describe with:
Pie
MCAPROBLEM!
Today I Can.
constructand
interpreta
historgram.
constructand
interpretanogive.
Section1.1
Histograms&Ogives
Histograms Shows the frequencies of data where
similar values have been grouped together.
How to make a histogram:
STEP 1 Divide the
MCA Problem of the Day!
Ogives (Relative Cumulative
Frequency Graphs) Shows the percentiles of any
given data point within the range.
Ex.Makeanogiveusingthedatabelow.
Herearethesurvivaltimes(indays)of30guineapigsthat
wereinjectedwithabacterialinfectionina
MCA Problem of the Day!
Today I Can.
perform linear
transformations on a
set of data
anticipate how outliers
influence mean and
median
Linear Transformations:
When adding or subtracting a number to
all the data.
the mean and median both change by the
am
MCAProblemoftheDay:
Chapter2
Section2.1
TheDensityCurve
Ch.1 *Histograms show counts/frequencies of observations of
an exact form based on data.
Ch.2 *Density curves show proportions/percents of
observations in an idealized form based on the population.
E
Ch.2
Sections2.1&2.2
NormalDistributions
EmpiricalRule(689599.7Rule)Review
Ex. The distribution of SAT Verbal
scores is approximately normal with
mean 600 and standard deviation 65.
a) What percent of scores are between 470 and 730?
b) What percent of sco
MCA Problem of the Day!
normalcdf & invNorm Review:
HW Problem #23
The distribution of heights of adult American men is
approximately normal with mean 69 inches and standard
deviation 2.5 inches.
a)What percent of men are at least 72 inches tall?
b) What
Adam and Betty are long jumpers. At a
recent meet Adam long jumped 22.5'
where the mean for men's long jump was
21' with a standard deviation of 1'.
Betty long jumped a distance of 18'
where the mean for women's long jump
was 17.5' with a standard deviati