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The manager of a large industrial plant is interested in investigating whether age has an effect on the leadership ability of employees. 66 employees were randomly selected, divided into two groups according to their age; either under 40 years old or at least 40 years old and given a leadership exam. The employee's score in the leadership exam was recorded. The data are displayed below:
(a) Use SPSS to draw the appropriate box plot(s) for this data set. (You should consider the design of this study to ensure the relevant plot(s) is drawn.) Comment on any features in the plot(s).
(b) Is there a difference in the underlying mean leadership scores for employees aged under 40 and those at least 40 years old? Use SPSS to investigate this question. Interpret your results.
Suppose the arrival times of phone calls in a help centre follow a Poisson process with rate 20 per hour (so the inter-arrival times are independent exponential random variables).
After analyzing the data the researcher has to test ten hypotheses various tests such as chi square test t test have been developed by statisticians for the purpose. The hypotheses
what i6 the relevance of cost classification?
KINDLY ASSIST ME WITH THIS ASSIGNMENT AND FORWARD IT TO ME BY 31 OCTOBER 2013.
If q=2,TP=450 and AP=225, what is MP. How can I figure out what my marginal product will be?
Absorption distributions Probability distributions which represent the number of 'individuals' (such as particles) which fail to cross the speci?ed area containing the hazards o
A machine that cuts corks for wine bottles operates in such a way that the distribution of the diameter of the corks produced is well approximated by a normal distribution with mea
Define Betterment An inclusion created to, or modify created in, an investment resource, other than servicing, that is estimated to improve its predicted useful life or to improve
The fluctuations in the stock market induce some investors to sell and move their money into more stable investments. To determine the degree to which recent fluctuation affected o
Regression line drawn as Y =C+1075x, when x was 2, and y was 239. Given that y intercept was 11. Calculate the residual.
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