Total blood volume (in ml) per body weight (in kg) is important in medical research.  For healthy adults, the red blood cell volume mean is about µ = 28 ml/kg with a standard deviation of 4.75ml/kg.  Red blood cells volume that is too low or too high can indicate a medical problem.    Suppose he does a hypothesis test with a significance level of 0.01.  Roger has had seven blood tests and the red blood cell volumes were: 32       25       41       35       30       37       29 Roger’s null hypothesis is that his blood tests are normal and that his alternative hypothesis is that something is wrong.  Symbolically, the null and hypotheses are as follows                         Ho: µ = 28 ml/kg and Hi: µ ≠ 28 ml/kg What value of the test statistic (z) should he report? (Sampling a Normal Distribution for the Mean µ)   Group of answer choices a. 0.99 b.2.42 c.2.62 d.2.22

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Total blood volume (in ml) per body weight (in kg) is important in medical research.  For healthy adults, the red blood cell volume mean is about µ = 28 ml/kg with a standard deviation of 4.75ml/kg.  Red blood cells volume that is too low or too high can indicate a medical problem.    Suppose he does a hypothesis test with a significance level of 0.01

Roger has had seven blood tests and the red blood cell volumes were:

32       25       41       35       30       37       29

Roger’s null hypothesis is that his blood tests are normal and that his alternative hypothesis is that something is wrong.  Symbolically, the null and hypotheses are as follows

                        Ho: µ = 28 ml/kg and Hi: µ ≠ 28 ml/kg

What value of the test statistic (z) should he report?

(Sampling a Normal Distribution for the Mean µ)

 

Group of answer choices
a. 0.99
b.2.42
c.2.62
d.2.22
 
 
 

 

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