6.Do people find TV shows funnier when there is a laughtrack (canned laughter ostensibly from a live audience) than whenthere is not? To find out, Luna has 16 people each watch two TVshows, one with a laugh track and one without, and then rate howfunny the shows were. The order of the shows is counterbalanced.Here are the descriptive statistics for the two conditions:Show with laugh track: M = 5.33, SD = 1.15Show with no laugh track: M = 4.25, SD = 1.33Luna conducts the appropriate hypothesis test (a = .05, two-tailed)and finds that tobt= 2.29.Which statistical test did Luna use? Be specific. Why wasthis particular test most appropriate for her study design?What is terit in this test?Report the results in APA style, including the direction ofthe effect (if significant).

Two sample t test : The main assumptions for a two-sample equal-variance t-test area unit that the…

Answered: 6. Do people find TV shows funnier when…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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The owners of an amusement park count the number of adults and children who attend the park on a Friday and Saturday. The completed table is shown below. Friday Saturday Total Adults 245 371 616 Children 154 277 431 Total 399 648 1,047 How does the joint frequency for the number of adults who attended the amusement park on Friday compare to the joint frequency for the number of children who attended the amusement park on Saturday? The joint frequency for the number of adults who attended the amusement park on Friday is 399, which is less than the joint frequency for the number of children who attended the amusement park on Saturday, 431. The joint frequency for the number of adults who attended the amusement park on Friday is 154, which is less than the joint frequency for the number of children who attended the amusement park on Saturday, 277. The joint frequency for the number of adults who attended the amusement park on Friday is 371, which is…
A consumer group wanted to determine if there was a difference in customer perceptions about prices for a specific type of toy depending on where the toy was purchased. In the local area there are three main retailers: W-Mart, Tag, and URToy. For each retailer, the consumer group randomly selected 5 customers, and asked them to rate how expensive they thought the toy was on a 1-to-10 scale (1= not expensive, to 10 = very expensive). The toy was priced the same at all retail stores. Compute the percentage of variance explained by the group differences for these data. Q: Percentage and variance explained = ?
Mrs. Jen and Miss Berry, two 4th grade teachers, didn’t want to be outdone by Raskin and Bobbins, so they challenged them to fill in the remaining data below about their 4th grade classes and their students’ ice cream preferences. See if you can fill in all of the missing pieces in the diagrams below. For these students as well, they had to choose one topping, but could not choose both.
In marketing children’s products, it is extremely important to produce television commercials that hold the attention of the children who view them. A psychologist hired by a marketing research firm wants to determine whether differences in attention span exist among advertisements for different types of products. A number of children under 10 years of age are asked to watch one 60-second commercial for one of three types of products, and their attention spans are measured in seconds. The results are shown in the accompanying table: Type of Product Advertised Toys/Games Food/Candy Children’s Clothing 42 55 30 45 58 35 48 52 42 40 60 32 50 57 38 b). What type of error is possible and describe this error in terms of the problem.
Please help me with the below question.
In a survey the maximum data point was 100 while the minimum data point was 10. if the number of classes was 5 which of the following would be an appropriate class size ? select one: a. 20 b.6 c. 10 d. 18
I can't understand why the data is the percentage of surveyed parents.
The top 6 companies and the amount each spent on advertising in billions of dollars are as follows: Company At&T Advertising ($ billions) 3.5 Verizon Procter & Gamble L'Oreal Comcast Ford 2.4 4.1 2.1 3.7 2.7 Find the interquartile range for advertising (in $ billions). O a. 2.000 O b. None of the answers is correct OC. 1.475 Od. 1.825 O e. 1.350
Virginia polled a large sample of individuals to find the percentage of students with known food allergies and the percentage of students without known food allergies. Which of the following could sufficiently display the data if only the two given categories are to be included? Select the correct answer below: bar graph pie chart either a pie chart or a bar graph neither a pie chart nor a bar graph
Thomas makes five paper airplanes with different wing lengths. He drops them the same way from a height of two meters for five trials each. He records the amount of time it takes for each airplane to fall to the groupld. A. What is the independent variable? B. What is one control variable?
Twenty-nine college students, identified as having a positive attitude about Mitt Romney as compared to Barack Obama in the 2012 presidential election, were asked to rate how trustworthy the face of Mitt Romney appeared, as represented in their mental image of Mitt Romney’s face. Ratings were on a scale of 0 to 7, with 0 being “not at all trustworthy” and 7 being “extremely trustworthy.” Here are the 29 ratings: 2.6 3.2 3.7 3.3 3.4 3.6 3.7 3.8 3.9 4.1 4.2 4.9 5.7 4.2 3.9 3.2 4.5 5.0 5.0 4.6 4.6 3.9 3.9 5.3 2.8 2.6 3.0 3.3 3.7 a 95% confidence interval for the mean rating. Is there significant evidence at the 5% level that the mean rating is greater than 3.5 (a neutral rating)?
A case-control study was conducted to examine the association between lung cancer and smoking in men. The case group contains 500 patients, who were diagnosed with lung cancer. Five hundred age-matched patients were recruited as controls. The study found that 50% of cases were regular smoking and the proportion is 20% among controls. a. Create a 2x2 table based on the given information

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