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# HI6007 Group Assignment

• Course Code: HI6007
• University: Holmes Institute
• Country: Australia

## Question:

Prepare a frequency distribution, relative frequency distribution, and percent frequency distribution for the data set using a class width of \$50.

1. Construct a histogram showing the percent frequency distribution of the furnitureorder values in the sample. Comment on the shape of the distribution.
1. Given the shape of the distribution in part b, what measure of location would be most appropriate for this data set?

Develop an estimated regression equation relating y to x1 and x2.

1. At α = 0.05, test to determine if the estimated equation developed in Part a represents a significant relationship between all the independent variables and the dependent variable.
1. At α = 0.05, test to see if β1 and β2 is significantly different from zero.
2. Interpret slope coefficient for X2.
3. If the company charges \$20,000 for each phone and uses 10 advertising spots, how many mobile phones would you expect them to sell in a day?

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