Athlete ages A sports reporter suggests that professional baseball players must, on average, be older than profes-sional football players, since football is a contact sport and players are more susceptible to concussions and seri-ous injuries (www.sports.yahoo.com). One player was selected at random from each team in both professionalbaseball (MLB) and professional football (NFL). Thedata are summarized below.To perform inference on these two samples, what condi-tions must be met? Are they? Explain. MLB NFLn 30 32y 27.5 26.16s 3.94 2.78

Athlete ages A sports reporter suggests that professional baseball players must, on average, be older than profes-sional football players, since football is a contact sport and players are more susceptible to concussions and seri-ous injuries (www.sports.yahoo.com). One player was selected at random from each team in both professionalbaseball (MLB) and professional football (NFL). Thedata are summarized below.To perform inference on these two samples, what condi-tions must be met? Are they? Explain. MLB NFLn 30 32y 27.5 26.16s 3.94 2.78

Marketing

20th Edition

ISBN:9780357033791

Author:Pride, William M

Publisher:Pride, William M

Chapter5: Marketing Research And Information Systems

Section: Chapter Questions

Problem 3DYMP: Using Table 5.3, choose the appropriate survey method(s) you would use to collect primary data for...

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Using Table 5.3, choose the appropriate survey method(s) you would use to collect primary data for one of your information needs. What sampling method would you use?
A company that sells and services car music systems has surveyed residents of the local area surrounding the store as a way to expand their business. They handed out cards at a busy intersection near the store over a two-weekend time period. After a month, they have received 200 responses out of 950 they distributed. The results of this survey will likely be ineffective because a handing out postcards is not a legitimate survey method handing out postcards is not a legitimate survey method b the sample of people may not be the store’s appropriate target the sample of people may not be the store’s appropriate target c not enough people responded not enough people responded D participants did not get a reward for responding
Assume the president of the homeowners association in Happy Valley Subdivision has decided to conduct a survey among the 6,000 homes to poll the opinions and preferences of homeowners regarding a new recreational facility to be built in the neighbourhood. Should the survey be a sample or a census of Happy Valley Subdivision homeowners? Defend your choice. Be certain to discuss any practical considerations that enter into your choice. If the president desires the survey to be accurate to ±5% and at a 95% level of confidence, what sample size should be used? Assume that the president had dedicated $2500 in the research budget for data collection. If the president is insistent that, at a minimum, the sample size be met as calculated in the question 2 above, would you recommend any of the data collection methods below? Why or why not? Justify your answer with calculations. Data Collection Method Cost/respondent Personal Interview…
You want to provide an overview of the characteristics of the respondents in your sample. Which of the following would you use to provide insight in the age of your respondents? a. A frequency table and a bar chart b. The mode, median and the standard deviation c. The mean and the variance. d. The mean, the median, and the mode
List two (2) advantages and Two (2) disadvantages of the Observation Method of datacollection.
Explain at least two data sampling technique.
11. Matching the sampling method with the most appropriate description One potential participant is identified, then asked for recommendations for other people to contact for the study. Researchers minimize costs to participants by recruit people living within a particular residential area that offers an easy commute to the study location. Recruitment materials are sent to a random selection of people within 15 Connecticut towns selected at random from state demographic records. The political party affiliation of every registered voter in Connecticut is tallied to determine proportional representation. The Office of Student Life sends survey invitations to random members of each graduating class until they receive a number of responses proportional to the relative size of each class. The Trinity Athletics department asks coaches to help recruit their athletes for participation in a survey of satisfaction with care from the trainer's office. A high school sends a survey to a random…
An avant-garde clothing manufacturer runs a series of high-profile, risqué ads on a billboard on the Trans-Canada Highway and regularly collects protest calls from people who are offended by them. The company has no idea how many people in total see the ads, but it has been collecting statistics on the number of phone calls from irate viewers: Type Description Number of ComplaintsR Offensive racially/ethnically 10M Demeaning to men 4W Demeaning to women 14I Ad(s) is/are incomprehensible 6O Other 2Depict this data with a Pareto chart. Also depict the cumulative complaint line. What percent of the total complaints can be attributed to the most prevalent complaint?
state merits and demerits in collecting data of a questionnaires. Describe main aspects of a questionnaire
An avant-garde clothing manufacturer runs a series of high-profile, risque ads on a billboard on Highway 101 and regularly collects protest calls from people who are offended by them. The company has no idea how many people in total see the ad, but it has been collecting statistics on the number of phone calls from irate viewers: Number of Туре Description Complaints R Offensive racially/ethnically 10 Demeaning to men 4 Demeaning to women Ad is Incomprehensible W 14 6 Other 2 a) Choose the correct Pareto chart below. O A. В. Q WRIMO RM WIo Type of complaints WRIMO R M W iO Type of complaints Type of complaints Type of complaints b) What percent of the total complaints can be attributed to the most prevalent complaint? The most prevalent complaint is with % of the total complaints. (Enter your response rounded to one decimal place.) Frequency (number) m (Jə qunu) fouanbas Frequency (number) Frequency (number)
Which best describes the null hypothesis associated with an Analysis of Variance (ANOVA)? Group of answer choices a. Ho: Variance 1 = Variance 2 = Variance 3 b. Ho: Standard Deviation 1 = Standard Deviation 2 = Standard Deviation 3 c. Ho: Proportion 1 = Proportion 2 = Proportion 3 d. Ho: Median 1 = Median 2 = Median 3 e. Ho: Mean 1 = Mean 2 = Mean 3
A survey of 40 retail store reported the following amount of sales (in thousand) held in the month of September. Number of Sales Frequency 10-14 3 15-19 5 20-24 12 25-29 9 30-34 8 35-39 3 What is the standard deviation? What is the sample variance?