Biostatistics - US population during 1999-2010.

Running head: BIOSTATISTICS
Biostatistics
Name of the student:
Name of the University:
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BIOSTATISTICS1
Table of Contents
Descriptive Analysis:.................................................................................................................2
Bibliography:..............................................................................................................................5

BIOSTATISTICS2
Descriptive Analysis:
This study is based on some characteristics of US population during 1999-2010. This
study has been done on the basis of 14081samples, where 6553 are male and 7528 are female.
The highest percentage of population has been occupied by woman. The 95% confidence
interval of woman is (49.71, 51.37). Most of the variables in this study are categorical
variable, which can be categorised in to different categories.
Table 1 Descriptive Statistics of Race/ Ethnicity
The table 1 shows that the descriptive statistics of race/ ethnicity. The mean value of
the race is 2924.2. The median or second quartile value of the race is 2786. The mode the
race does not exist, because there is no repetition in the data sheet. The standard deviation of
the data sheet is 2449.82. It has been seen that the mean is larger than the median. Hence the
Race/ ethnicity is skewed to the right that is positively skewed. The value of the skewness is
1.16.