The average or mean hourly wage in a selected province is $10.05. A sample of 25 workers
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Question:
The average or mean hourly wage in a selected province is $10.05. A sample of 25 workers has been taken. The mean hourly wage in the sample is $10.83 with a sample standard deviation of $3.25 per hour. Do a two-sided test of hypothesis to test if the true mean population wage in the province is indeed $10.05. Use a 20% level of significance.
a) Set up the null and alternative hypothesis using a two-sided test.
b) State the critical value which separate the acceptance and rejection regions.
c) Evaluate the proper test statistic.
d) Would you accept or reject the null hypothesis. Explain
Related Book For
Statistics The Art and Science of Learning from Data
ISBN: 978-0321755940
3rd edition
Authors: Alan Agresti, Christine A. Franklin
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