The standard hemoglobin reading from healthy adult men is 18g/100ml with a variance of 4g. For a group of 20 men in a certain occupation, we find the mean hemoglobin of 5g/100ml. Test the claim that the selected men have lower hemoglobin level at 5% level of significance. What is the computed test statistics? Select one or more: O a. - 4.19 оЪ.- 6.71 O c.4.19 O d. 6.71

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The standard hemoglobin reading from healthy adult men is 18g/100ml with a variance of 4g.
For a group of 20 men in a certain occupation, we find the mean hemoglobin of 5g/100ml.
Test the claim that the selected men have lower hemoglobin level at 5% level of
significance. What is the computed test statistics?
Select one or more:
O a. - 4.19
ОЪ.- 6.71
O c. 4.19
O d. 6.71
More
Transcribed Image Text:- 100% 8:44 AM Thu 8 Apr Edit Done The standard hemoglobin reading from healthy adult men is 18g/100ml with a variance of 4g. For a group of 20 men in a certain occupation, we find the mean hemoglobin of 5g/100ml. Test the claim that the selected men have lower hemoglobin level at 5% level of significance. What is the computed test statistics? Select one or more: O a. - 4.19 ОЪ.- 6.71 O c. 4.19 O d. 6.71 More
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