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A poll found that 41% of male voters and 44%female voters support a particular candidate.Too test whether this candidate has equal levels of support between makes and female voters, the null hypothesis should be what?
A) Ho:Pmale=Pfemale
B) Ho:Pmale < Pfemale
C) Ho: Pmale =41%, Ho:Pfemale 44%
D) Ho:Pmale =50%, Ho:Pfemale =50%
a researcher examined rates of posttraumatic stress disorder ptsd in mothers and fathers. parents were interviewed 5
on the average there are 5 messages sent per hour to a computer bulletin board. on a period of three hours find the
A test statistic is a value determined from sample information used to reject or not reject the null hypothesis.All hypothesis testing is based on accepting or rejecting the alternative hypothesis.
With a z score of 1.5, what percentage often scores are above 52 and what percentage of the scores are above 60?
If the true mean for Saturday sales is now $4500, what is the probability of accepting the (false) null hypothesis in (a) above (the probability of not sharing the manager's concern because of lack of evidence)?
Illustrate what does weighting add to usefulness of moving averages and explain how is it done. The yield on a thirty year treasury note at the end of every year since 1990 is recorded below.
for a linear model y beta0 beta1 x1 beta2 x2 beta3 x3 beta4 x4 e what is the difference between testing h0 beta1
1. the following data represent the monthly cell phone bill for a persons phone for six randomly selected months.35.34
If we want to estimate the selling price on the basis of age, which variable is the dependent and which is the independent? Draw a scatter diagram.
from a group of 7 paintings 3 are water colors and 4 are oils. in how many ways can you hang 3 paintings along a wall
sketch the areas under the standard normal curve over the indicated intervals and find the specific areeas.a. to the
a survey has revealed that 75 of all college students study. it is also known that 85 of all students who study will
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