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A chemist measures the haptoglobin concentration (in grams per litre) in the blood serum from a...

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Basic Math

A chemist measures the haptoglobin concentration (in grams perlitre) in the blood serum from a random sample of 11 healthyadults. The concentrations are assumed to be normally distributedand are given below.

1.4,1,1.8,1.8,0.4,1.5,2.2,0.8,0.9,3.3,2.2

At a 1% level of significance, perform a statistical test to seeif there is evidence that the mean haptoglobin concentration inadults is less than 1.8 grams per litre, by answering the followingparts.

1.1 (.8 marks)

Give the Null and Alternative Hypotheses, using mu to denote thepopulation mean.


H0 :

1.1.2 (.4 marks)

HA :

1.2 (.2 marks)

What's the significance level ??
? =  

1.3 (1 mark)

Find the value of the test statistic correct to 2 decimalplaces.
t ?  

1.4 (1 mark)

What is the p-value?

Give your answer to 3 decimal place accuracy.
p-value ?  

You have not attempted this yet

1.5 (.5 marks)


Is the p-value less than the critical value?

You have not attempted this yet

1.6 (.5 marks)


Should we reject H0?  

Answer & Explanation Solved by verified expert
3.6 Ratings (296 Votes)
Average haptoglobin concentration in adultsNumberValues    See Answer
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