The chart below represents the highest grossing weekend box office between August 7th to October 4th. Last time we calculated the mean weekend gross: M = 10.08 million. In order to maintain accuracy, always keep two decimal places when you need to round below for parts a and b. Date Movie Title Weekend Gross (Million $) Oct 2-4 Tenet 8.2 Sep 25-27 Tenet 8.6 Sep 18-20 Tenet 10.9
The chart below represents the highest grossing weekend box office between August 7th to October 4th. Last time we calculated the mean weekend gross: M = 10.08 million. In order to maintain accuracy, always keep two decimal places when you need to round below for parts a and b.
Date Movie Title Weekend Gross (Million $)
Oct 2-4 Tenet 8.2
Sep 25-27 Tenet 8.6
Sep 18-20 Tenet 10.9
Sep 11-13 Tenet 12.5
Sep 4-7 Tenet 28.3
Aug 28-30 The New Mutants 12.6
Aug 21-23 Unhinged 6.4
Aug 14-16 The Spongebob Movie 2.0
Aug 7-9 The Tax Collector 1.2
Be sure to show neat, easy to follow work. You should still record the formula and final answer on this sheet.
Note: Your answers for parts a and b will be the same (within a little bit of rounding
error), but your work will be different.
a. Calculate the sum of squares for Weekend Gross using the computational formula. At every step, round to 2 decimal places.
b. Calculate the sum of squares for Weekend Gross using the definitional formula.
From the given information,
| Weekend Gross |
| 8.2 |
| 8.6 |
| 10.9 |
| 12.5 |
| 28.3 |
| 12.6 |
| 6.4 |
| 2 |
| 1.2 |
The mean weekend gross: M = 10.08 million.
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