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the mean weekly income of residents of one state is 570 a random sample of 12 residents of one small town in the state
if a population of raw scores is normally distributed and has a mean mu 80 and a standard deviation sigma 10
example study 1 a researcher finds 2000 men over 40 who exercise regularly and have not had heart attacks she matches
1 one sample has a mean of m4 and a second sample has a mean of m9 the two samples are combined into a single set of
a project manager needs to purchase parts for a projectnbsp two suppliers are found and both of them have been used
movie budgets how does the cost of a movie depend on its length data on the cost millions of dollars and the running
a health agency is conducting an evaluation of all the hospitals in its region the main aim of this assignment is to
how to calculate the sample size nbspi want to know the needs and wants of the people who buy some products in the
a person estimates that his commute to work will most likely take 50 minutes however it could talk as long as 1 hour
assignment objectivesnbspnbspconstruct a scatter plot for two variables compute a correlation coefficient and a
you are given the following information about y and x y x dependent independent variablevariable 5 15 7 12 9
q1 kevin durant and russell westbrook are in a team 3 point shooting contest representing the oklahoma city thunder
questionrecent trends show that the yield of your companys flagship product is declining you are uncertain if the
klein industries manufactures three types of portablenbspair compressors small medium and large which havenbspunit
introductory statisticsa typical adult has an average iq score of 105 with a standard deviation of 20 if 20 randomly
determine the posterior probabilities given the following prior and likelihood probabilitiesprior probabilities ps1 25
what is a hypothesis test why do we need to use them to make decisions about relating sample results to the
the ages in years of the employees at a particular computer store are 36 32 22 32 33 assuming that these ages
computer output from a multiple regression model with three independent variables yields the following estimated
based on interviews with 81 sars patients researchers foundnbspthat the mean incubation period was5 days with a
a more general exponential reliability model may be defined by rta-bt where agt1 bgt0 and a and b are parameters to
rosenberg land development rld is a developer of condominium properties in the southwest united states rld has
question 1 the probability that any ball point pen is defective is 005 independent of other pens the pens are packaged
1 why are robust statistics such as the median or iqr important in the analysis of modern data sets give a reason why