ne of the tests. What is the correc
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A charity is trying to raise money by hosting a comedy club with a famous comedian. In order to maximize donations they want to bring in the best comedian, if there is one. By surveying 100 of their target donors, they find the following preferences:
|
Comedian |
Zach Galifianakis |
Maria Bamford |
Patton Oswalt |
Brian Posehn |
|
Number of Preferences |
11 |
44 |
23 |
22 |
They are trying to determine who (if anyone) should be invited.
Calculate the test statistic for one of the tests. What is the correct decision to make? (Do not reject H0, Reject H0, Nothing can be concluded, or None of the above?)
What is the correct action to take? Invite Zach Galifianakis, Invite Maria Bamford, Invite Patton Oswalt, Invite Brian Posehn, Invite none of these, or None of the other options are correct)
Given:
|
Comedian |
Zach Galifianakis |
Maria Bamford |
Patton Oswalt |
Brian Posehn |
|
Number of Preferences |
11 |
44 |
23 |
22 |
Here, chi-square test will be used.
| Observed Freq (Oi) | Expected Freq (Ei) | ||
| 11 | 25 | 7.8400 | |
| 44 | 25 | 14.4400 | |
| 23 | 25 | 0.1600 | |
| 22 | 25 | 0.3600 | |
| Total | 100 | 100 | 22.8000 |
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