Ecmt1010

ECMT 1010 Economics and Business Statistics A
Assignment 1, 2010
Question 1:
(a) pretend a table showing relevant summary statistics for the terminate qualification of all vehicles. Briefly discuss the relevant aspects of your findings.

add-in 1: Both Auto and Manual Models
Fuel faculty (L/100km)

Mean7.632657498
monetary standard Error0.170608732
Median7.709114704
Mode8
Standard Deviation1.525970889
Sample Variance2.328587155
Kurtosis-0.451538264
Skewness-0.001472956
Range6.78524281
minimal4.71475719
Maximum11.5
Sum610.6125998
Count80
As it smoke be seen in table 1, the mean of the give the sack efficiency for simple machine and manual political machines is 7.63 L/100km. The fuel efficiency for all cars end range amidst a minimum value of 4.71 L/100km and a maximum value of 11.50 L/100Km. This info can also be seen to approach a normal dispersal as there is extremely miniature positive skewness shown (0.0015).
The standard deviation, which indicates how much variation there is from the mean, is equal to 1.53 L/100km. Dispersion of 1 standard deviation contains approximately 68% of the values, where 2 standard deviations contain 95% of the values. As this data represents a standard deviation of 1.53 L/100km it lies in between these percentages.





(b) Draw the most appropriate plot to visualize if car weight has any impact on fuel efficiency. gabfest on your findings.

Graph 1: Auto Cars and Manual Cars

Yes it is plain from Graph 1 that weight has an effect on fuel efficiency. There is a relatively strong positive race between the two variables. Therefore with a certain fall of increase of the variable x (weight), the y variable (Fuel Efficiency) pass on also increase. In this case if weight is equal to zero, then(prenominal) the fuel efficiency would be equal to 3.6891 on average. If the weight increase by one then the fuel efficiency will increase by 0.0072 on average.
It is also ostensible from graph 3, that the lighter the car the more fuel economical the car will...If you want to get a full essay, drift it on our website: Orderessay



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