26 Jan Sample data support the claim,
A hypothesis testing was performed to decide if the sample data support the claim.
Ho: support the claim.
Ha: opposite to the claim.
This is Left-Taled test with the significance level 10% (0.10).
Calculated z-value for test statistics is z = – 0.45.
Does the sample data support the claim?
Based on this sample, should we reject or do not reject Ho?
Tips:
1) Use Appendix Table for Normal Distribution and find at what z
area to the left under Standard Normal Distribution curve is close to 0.10.
2) That z will be critical value. Rejection region is to the left of that z.
Draw the number line for z, mark position of zcr and shade the rejection region.
3) Find position of the given z-value of sample statistics on this number line.
Make your desision Reject or Do Not Reject Ho.
Sample data support the claim, Reject Ho
Sample data support the claim, Do Not Reject Ho
Sample data do not support the claim, Do Not Reject Ho
Sample data do not support the claim, Reject Ho
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