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# Statistics report

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Introduction

Middle

2.458256 11.0451312 Correlation between Age and Net Sales: Age Net Sales Age 1 Net Sales -0.0106359 1 Correlation between Item sold and Net Sales: Item sold Net Sales Item sold 1 Net Sales 0.755059391 1 Noted Observations: * First of all, the promotion customers had a mean of \$84.29 and the regular customers had a mean of \$61.99. There is a difference of \$22.30 between the average Net Sales of the two types of customers. The promotion customers had a discount coupon and this clearly had some sort of encouragement towards spending more money at Pelican Stores. The promotion coupons were a great benefit to the company when we take into consideration that there were many more promotion customers than regular and the promotion customers spent much more on average than the regular customers. * The correlation coefficient between Age and Net Sales is -0.0106359. This clearly shows that there is neither a positive or negative correlation between the two variables. Therefore, all ages of audience should be targeted; there is no one particular audience regarding age that spent more money than the other. ...read more.

Conclusion

4. Covariance and correlation matrix Work Pay Promotion Work 1 Pay 0.2594039 1 Promotion -0.149472 -0.214949 1 Noted Observations: * The correlation coefficient between Promotion and Pay is -0.214949. This clearly shows that there is neither a positive or negative correlation between the two variables. Therefore, both Promotion and Pay should be targeted; there is not adequated to state that spent more on Promotion can have a better results than Pay, or reversely. It seems that Hospitals should spend on both Promotion and Pay in the same time. * The correlation coefficient between Pay and Work is 0.2594039. This indicates a positive correlation between Salary (Pay) and Work; it also shows that the more Salary that were paid, the more Work Contribution of nurses. Perhaps it would be beneficial to create an appeal towards increasing salary; for example: 30% increase in salary, etc. * The correlation coefficient between Promotion and Work is -0.149472. This indicates a negative correlation between Promotion and Work; it also shows that the more Promotion that were paid, the less Work Contribution of nurses. Perhaps it would be beneficial to create a just sufficient Promotion for nurses, not too high. ?? ?? ?? ?? Assignment No.1 - Case No.1&2 Page 1 of 10 ...read more.

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