Marketing professors at Robert Morris and Kent Sate universities examined children's recall and4.recognition of television advertisements. Two groups of children were shown a 60-secondcommercial for Sunkist Fun Fruit Rock-n-Roll Shapes. One group (the A/v group) was shown thead with both audio and video; the second group (the video-only group) was shown only thevideo portion of the commercial. Following the viewing, the children were asked to recall 10specific items from the ad. The number of the 10 items recorded correctly by each child issummarized in the table. The researchers theorized that "children who receive an audiovisualpresentation will have the same level of mean recall of ad information as those who receive onlythe visual aspects of the ad"A/V GroupVideo Only Groupn2023.30s2.1313.70S1 1.98Set up the appropriate null and alternative hypothesis to test the researchers' theorya.Find the value of the test statistic.b.C. Give the rejection region for α-.10.d. Make the appropriate inference. What can you say about the researchers' theory?e. The researchers reported the p-value of the test as p-value .542. Interpret the result.f. What conditions are required for the inference to be valid?

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D, E, F

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Step 1

In this question, we have the data for two groups and we have to find the inference about  the population based on the given data set.

Step 2

We have done some calculations based on the given data to make the inferences about the population.

d.) Based on the above calculations

• Since the Test Statistical Value (0.61), does not lies within critical region,
• Therefore, we do not have enough evidence to reject the null hypothesis,
• So, the claim made by researcher is true.
• Therefore, we conclude that mean recall time for Audiovisual presentation and only visual representation is same.
Step 3

e.)

Since the P Value is 0.542 which is greater than level of significance 0.10, Which shows that we do not have enough evidence to reject the null.

Therefore, the claims seem to be true which means mean ...

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