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As part of a study of corporate employees, the Director of Human Resources for PNC wants to compare the distance travelled to work by employees at their office in downtown Edmonton with those in downtown Montreal. A random sample of 35 Edmonton employees showed they travelled a mean of 590 km per month, with a sample standard deviation of 50 km per month. A sample of 28 Montreal employees showed they travelled a mean of 610 km per month, with a sample standard deviation of 34 km per month. Assume that the populations are approximately normal. At the 0.05 significance level, would you conclude that there is a difference between the mean number of kilometers travelled per month by Edmonton and Montreal employees?
Clearly state your hypotheses, the observed value of the appropriate test statistic, the number of degrees of freedom of the test statistic you are using, and the p-value (or bounds on the p-value) that you will base your decision on, and state your actual conclusion.
defference between historigrams & histogram
An audit of the accounting records of Loch Ness Ltd. for the year ending 30 June 2012 discovered that the ending inventory balance was over-valued by $35,000
Utility of index
Isotopes Elements having same atomic number Z, but different A mass number for example 126C, 146C and 11H 21H, 31H are isotopes of carbon and hydrogen.
difference between tests of goodness of fit & tests of independence
You have recently joined XYZ, an international company that produces a wide range of office supplies and stationary goods. In your new role as Group Management Accountant your firs
Test the null at 1? significance level
how datas are analysed
they gave me n=30 and p=.23 to get the answers for P(20,x,23)= and P(x.23)=
Bambridge Associates LLP has hired you to analyze the demand in 30 regional markets for custom financial plans for high net worth individuals (Y). A statistical analysis of demand
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