Statistics

Research ProblemIn join States of the States , people live an median(a) manners of 77 .8 years During some researches made in 25 states , people live an bonnie tone of 74 .2 years . With an estimated standard deviation equal to 6 .2 , is the bonnie life of people in the 25 states of America slight than the average life of people in the all told unify StatesIndependent and Dependent VariablesIndependent variables in single-sample t-tests should be dichotomous or noun phrase . Dichotomous variables are discrete variables with two possible outcomes (Plonsky , 2006 . In the problem in a higher place , the independent variable is the average life of people in the 25 states of AmericaDependent variables should be interval in independent t-tests . Interval variables are variables that have equal spaces among values (UCLA ATS .

The dependent variable in the problem above is the average life of people in the whole United StatesGenerate the statistical null and ersatz hypothesesStatistical null hypothesisThe average life of people in the 25 states of America is equal to the average life of people in the whole United StatesStatistical alternative hypothesisThe average life of people in the 25 states of America is less than the average life of people in the whole United StatesEffect SizeEffects size is simply the difference surrounded by the fashion of two groups It is normally computed by getting the difference between the two means After that , divide the answer by the standard deviation . The final answer or the publication size...If you want to get a full essay, order it on our website: Ordercustompaper.com

If you want to get a full essay, wisit our page: write my paper