Bio Stat Notes
3.14.17
Income vs. Education
Group 1: Some college or less (categories 1-5)
Group 2: Four years or more of college
= .01
HA: P1
H0: P1
P2 or P1-P2 0
P2
P 1:
^
P
P 2:
of people ( with
Section III
1. What score would be required to be at the 87th percentile?
Histogram
Motor Gasoline Consumption in the United States for 2007
3.0
Calculator:
2.5
2.0
The motor gasoline consumption need
2. Side-by-side histograms/dot plots
The histograms depict that both graphs are right skewed. The natural gas consumption histogram seems to
have a stronger right skew than the coalNatural Gas vs Coal
Part B: The Analysis
1. Side-by-side Box Plots
Box Plot
Natural_Gas_in_Trillion_Btus
Coal_in_Trillion_Btus
Natural Gas vs Coal United States Consumption f or 2007
0
500
1000
1500
2000
2500
3000
3500
4
3. Histogram
Motor Gasoline Consumption in the United States for 2007
Histogram
The histogram of the data also strengthens the fact that the data is right skewed. The histogram
14
has a total of eleve
Part B: The Analysis
1. Dot Plot
Dot Plot
Motor Gasoline Consumption in the United States for 2007
The dot plot of the data appears to be right skewed since most of the data entries of the motor
gasol
Part A: The Introduction
The data sets used for this statistical report were derived from the United States energy
consumption estimates in 2007. The data points are in trillion Btus. The energy consu
Section III
3. How many data entries in your set are at or above the 92nd percentile?
Calculator:
Out of the 51
data entries,
there
are only three
data entries in the data set that are
at or above the
Part C: The Conclusion
The natural gas consumption is a little higher than the coal consumption of the United States in
2007 since the natural gas consumption has a larger mean and more data entries w
Section II
Part A: The Introduction
For Section II, the statistical data used to compare and contrast is the total consumption of
natural gas versus the total consumption of coal in trillion Btus for
Part C: The Conclusion
1. The overall shape of the distribution of the data for the motor gasoline consumption in
Btus by the United States in 2007 is right skewed. After creating a dot plot, a box pl
3. Data entries within 1 standard deviation of the mean.
Mean+1 Standard Deviation=716.222
California=1987.3
Texas=1516.7
Florida=1089.4
New York=726.2
There are a total of four data points that are n
SECTION I
Part A: The Introduction
The data sets used for this statistical report were derived from the United States energy
consumption estimates in 2007. The data entries are in trillion Btus. The e
Ramsey Padilla
STAT3125
Due Date: 04/27/2012
Introduction:
Is there a difference between the number of times that males and females have been
drinking and driving over the past thirty days?
The questi
In class Lab One Ramsey Padilla STAT3125 February 29th, 2012 A clinical investigator has developed two new treatments for multiple myeloma. The current standard treatment induces a response rate of ap