Friday
December 19, 2014

Homework Help: statistics

Posted by joe on Sunday, April 10, 2011 at 5:03pm.

"Separate the data by company and do descriptive stats for each. Copy and paste into a Word document, formatting appropriately. “Appropriate” includes formatting to a reasonable and appropriate number of decimals, including a good, descriptive caption for the table and eliminating duplicate labels.

Produce a histogram of ages for each company using bins of 20, 30, 40, 50, 60, 70

Do hypotheses tests, using the full 5-step formal process to test if
· The average salary of company A is greater than the average salary of company B. Assume unequal variances.
· The proportion of females at company A is greater than the proportion of females at company B.
Report on the findings in the Word document with good formatting as discussed. Clearly state your decision and what it means.

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