Ebert’s Rating + 0 - Total + 24 8 13 45 Siskel’s Rating 0 8 13 11 32 - 10 9 64 83 Total 42 30 88 160 In the TV show Sneak Preview by the late Gene Siskel and Roger Ebert, the two Chicago movie critics reviewed the week’s new releases and then rated them thumbs up (+) =, mixed (0), or thumbs down (-). These two critics often saw the merits of a movie differently. The preceding contingency table summarizes the ratings by Siskel and Ebert for 160 movies. At the 5% significance level, does the data provide sufficient evidence to conclude that an association exists between the ratings of Siskel and Ebert? Use Chi-Square Independence Test and interpret your result.
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.
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|
|
Ebert’s Rating |
|
||
|
|
|
+ |
0 |
- |
Total |
|
|
+ |
24 |
8 |
13 |
45 |
|
Siskel’s Rating |
0 |
8 |
13 |
11 |
32 |
|
|
- |
10 |
9 |
64 |
83 |
|
|
Total |
42 |
30 |
88 |
160 |
In the TV show Sneak Preview by the late Gene Siskel and Roger Ebert, the two Chicago movie critics reviewed the week’s new releases and then rated them thumbs up (+) =, mixed (0), or thumbs down (-). These two critics often saw the merits of a movie differently. The preceding
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