Question

Researchers wanted to see if a certain image in ads affected people's ability to remember the item being advertised. They found two ads for each of 10 similar items, one with the image and one without. Then they showed the ads in random order to 39 randomly selected people for one minute and asked them to list as many of the items as they could, with the accompanying results for the number of items remembered. Is there evidence that the image mattered? Use ? = 0.05. Click the icon to view the table of items remembered. Are all the appropriate conditions and assumptions satisfied? Select all that apply. ? A. Yes, all the conditions are definitely satisfied. ? B. No, it is impossible to determine if the Independence Assumption is satisfied. ? C. No, the Paired Data Condition is not satisfied. ? D. No, the Independence Assumption is definitely not satisfied. ? E. No, the Nearly Normal Condition is definitely not satisfied. ? F. No, it is impossible to determine if the Nearly Normal Condition is satisfied. What are the null and alternative hypotheses? ? A. H?: ?_D = 0 H_A: ?_D < 0 ? B. H?: ?_D = 0 H_A: ?_D > 0 ? C. H?: ?_D = 0 H_A: ?_D ? 0 ? D. H?: ?_D ? 0 H_A: ?_D = 0 What is the test statistic? Use No image - Image as the difference. t = [ ] (Round to two decimal places as needed.) What is the P-value? Items Remembered Subject Number | Image | No Image || Subject Number | Image | No Image 1 | 2 | 2 || 21 | 2 | 3 2 | 6 | 7 || 22 | 4 | 2 3 | 3 | 1 || 23 | 3 | 3 4 | 6 | 5 || 24 | 5 | 3 5 | 1 | 0 || 25 | 4 | 5 6 | 3 | 3 || 26 | 2 | 5 7 | 3 | 5 || 27 | 2 | 2 8 | 7 | 4 || 28 | 2 | 4 9 | 3 | 7 || 29 | 7 | 5 10 | 5 | 4 || 30 | 6 | 7 11 | 1 | 3 || 31 | 4 | 3 12 | 3 | 2 || 32 | 4 | 5 13 | 6 | 3 || 33 | 3 | 0 14 | 7 | 4 || 34 | 4 | 3 15 | 3 | 2 || 35 | 2 | 3 16 | 7 | 4 || 36 | 3 | 3 17 | 4 | 4 || 37 | 5 | 5 18 | 1 | 3 || 38 | 3 | 4 19 | 5 | 5 || 39 | 4 | 3 20 | 2 | 2 || | |

          Researchers wanted to see if a certain image in ads affected people's ability to remember the item being advertised. They found two ads for each of 10 similar items, one with the image and one without. Then they showed the ads in random order to 39 randomly selected people for one minute and asked them to list as many of the items as they could, with the accompanying results for the number of items remembered. Is there evidence that the image mattered? Use ? = 0.05. 
Click the icon to view the table of items remembered. 

Are all the appropriate conditions and assumptions satisfied? Select all that apply. 
? A. Yes, all the conditions are definitely satisfied. 
? B. No, it is impossible to determine if the Independence Assumption is satisfied. 
? C. No, the Paired Data Condition is not satisfied. 
? D. No, the Independence Assumption is definitely not satisfied. 
? E. No, the Nearly Normal Condition is definitely not satisfied. 
? F. No, it is impossible to determine if the Nearly Normal Condition is satisfied. 

What are the null and alternative hypotheses? 
? A. H?: ?_D = 0 
     H_A: ?_D < 0 
? B. H?: ?_D = 0 
     H_A: ?_D > 0 
? C. H?: ?_D = 0 
     H_A: ?_D ? 0 
? D. H?: ?_D ? 0 
     H_A: ?_D = 0 

What is the test statistic? Use No image - Image as the difference. 
t = [ ] 
(Round to two decimal places as needed.) 
What is the P-value? 

Items Remembered 
Subject Number | Image | No Image || Subject Number | Image | No Image 
1 | 2 | 2 || 21 | 2 | 3 
2 | 6 | 7 || 22 | 4 | 2 
3 | 3 | 1 || 23 | 3 | 3 
4 | 6 | 5 || 24 | 5 | 3 
5 | 1 | 0 || 25 | 4 | 5 
6 | 3 | 3 || 26 | 2 | 5 
7 | 3 | 5 || 27 | 2 | 2 
8 | 7 | 4 || 28 | 2 | 4 
9 | 3 | 7 || 29 | 7 | 5 
10 | 5 | 4 || 30 | 6 | 7 
11 | 1 | 3 || 31 | 4 | 3 
12 | 3 | 2 || 32 | 4 | 5 
13 | 6 | 3 || 33 | 3 | 0 
14 | 7 | 4 || 34 | 4 | 3 
15 | 3 | 2 || 35 | 2 | 3 
16 | 7 | 4 || 36 | 3 | 3 
17 | 4 | 4 || 37 | 5 | 5 
18 | 1 | 3 || 38 | 3 | 4 
19 | 5 | 5 || 39 | 4 | 3 
20 | 2 | 2 || | |

Researchers wanted to see if a certain image in ads affected people's ability to remember the item being advertised. They found two ads for each of 10 similar items, one with the image and one without. Then they showed the ads in random order to 39 randomly selected people for one minute and asked them to list as many of the items as they could, with the accompanying results for the number of items remembered. Is there evidence that the image mattered? Use ? = 0.05.
Click the icon to view the table of items remembered.

Are all the appropriate conditions and assumptions satisfied? Select all that apply.
? A. Yes, all the conditions are definitely satisfied.
? B. No, it is impossible to determine if the Independence Assumption is satisfied.
? C. No, the Paired Data Condition is not satisfied.
? D. No, the Independence Assumption is definitely not satisfied.
? E. No, the Nearly Normal Condition is definitely not satisfied.
? F. No, it is impossible to determine if the Nearly Normal Condition is satisfied.

What are the null and alternative hypotheses?
? A. H?: ?D = 0
HA: ?D < 0
? B. H?: ?D = 0
HA: ?D > 0
? C. H?: ?D = 0
HA: ?D ? 0
? D. H?: ?D ? 0
HA: ?D = 0

What is the test statistic? Use No image - Image as the difference.
t = [ ]
(Round to two decimal places as needed.)
What is the P-value?

Items Remembered
Subject Number | Image | No Image || Subject Number | Image | No Image
1 | 2 | 2 || 21 | 2 | 3
2 | 6 | 7 || 22 | 4 | 2
3 | 3 | 1 || 23 | 3 | 3
4 | 6 | 5 || 24 | 5 | 3
5 | 1 | 0 || 25 | 4 | 5
6 | 3 | 3 || 26 | 2 | 5
7 | 3 | 5 || 27 | 2 | 2
8 | 7 | 4 || 28 | 2 | 4
9 | 3 | 7 || 29 | 7 | 5
10 | 5 | 4 || 30 | 6 | 7
11 | 1 | 3 || 31 | 4 | 3
12 | 3 | 2 || 32 | 4 | 5
13 | 6 | 3 || 33 | 3 | 0
14 | 7 | 4 || 34 | 4 | 3
15 | 3 | 2 || 35 | 2 | 3
16 | 7 | 4 || 36 | 3 | 3
17 | 4 | 4 || 37 | 5 | 5
18 | 1 | 3 || 38 | 3 | 4
19 | 5 | 5 || 39 | 4 | 3
20 | 2 | 2 || | |

Added by Aarelan H.

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