Q. 4 For a research project, suppose you want to compare the mean from a sample of 21 students against a known population mean of 100. You obtain a X = 105. Although you do not know Gx you have calculated S x %3D 20. What are Ho and Ha? b. What is your tobt ? c. Comparing tobt to terit, what do you conclude? a.

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Q. 4
For a research project, suppose you want to compare the mean from a sample of 21 students
against a known population mean of 100. You obtain a X = 105. Although you do not know o x
you have calculated S x = 20.
a. What are Ho and Ha ?
b. What is your tobt?
c. Comparing tobt to terit, What do you
conclude?
(
Transcribed Image Text:Q. 4 For a research project, suppose you want to compare the mean from a sample of 21 students against a known population mean of 100. You obtain a X = 105. Although you do not know o x you have calculated S x = 20. a. What are Ho and Ha ? b. What is your tobt? c. Comparing tobt to terit, What do you conclude? (
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