Business Statistics Week 2
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Question 1
1.Baseball stadiums vary in age, style, size, and in many other ways. Fans might think of the size of the stadium in terms of the number of seats; while the player might measure the size of the stadium by the distance from the homeplate to the centerfield fence. Note: CF = distance from homeplate to centerfield fence.
Using the Excell add-in construct your scatter diagram with the data set provide below.
Seats |
|
CF |
38805 |
|
420 |
41118 |
|
400 |
56000 |
|
400 |
45030 |
|
400 |
34077 |
|
400 |
40793 |
|
400 |
56144 |
|
408 |
50516 |
|
400 |
40615 |
|
400 |
48190 |
|
406 |
36331 |
|
434 |
43405 |
|
405 |
48911 |
|
400 |
50449 |
|
415 |
50091 |
|
400 |
43772 |
|
404 |
49033 |
|
407 |
47447 |
|
405 |
40120 |
|
422 |
41503 |
|
404 |
40950 |
|
435 |
38496 |
|
400 |
41900 |
|
400 |
42271 |
|
404 |
43647 |
|
401 |
42600 |
|
396 |
46200 |
|
400 |
41222 |
|
403 |
52355 |
|
408 |
45000 |
|
408 |
Is there a relationship between these two measurements for the “size” of the 30 Major League Baseball stadiums?
a. Before you run your scatter diagram answer the following: What do you think you will find? Bigger fields have more seats? Smaller fields have more seats? No relationship exists between field size and number of seats? A strong relationship exists between field size and number of seats? Explain.
b. Construct a scatter diagram and include it in your answer.
c. Describe what the scatter diagram tells you, including a reaction to your answer in (a).
Question 2
2. Place a pair of dice in a cup, shake and dump them out. Observe the sum of dots. Record 2, 3, 4, _ , 12. Repeat the process 25 times. Using your results, find the relative frequency for each of the values: 2, 3, 4, 5, _ , 12.
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