Homework Answers
We need to test if proportion of A is higher than proportion of B. Hence,
It must be a one - tailed hypotesis testing problem.
Option D is correct.
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Question 8 1 pts To compare the quality of two TV commercials, each commercial was shown...
In a test of the quality of two television commercials, each commercial was shown in a...
In a test of the quality of two television commercials, each commercial was shown in a separate test area six times over a one-week period. The following week a telephone survey was conducted to identify individuals who had seen the commercials. Those individuals were asked to state the primary message in the commercials. The following results were recorded. Commercial A Commercial B Number who saw the commercial: 145 Number who saw the commercial: 195 Number who recalled the message: 61...
Chapter TU Assignment 13, In a test of the quality of two television commercials, each commercial...
Chapter TU Assignment 13, In a test of the quality of two television commercials, each commercial was shown in a separate testarea six times over a one week period. The following week a telephone survey was conducted to identify individuals who had seen the commercials. Those individuals were asked to state the primary message in the commercials. The following results were recorded 14. Commercial A Commercial B Number Who Saw Commercial 203 Number Who Recalled Message 62 Use .05 and...
Design a spreadsheet to determine the impact on ad quality of paying for three draft commercials....
Design a spreadsheet to determine the impact on ad quality of
paying for three draft commercials.
Write your answer/solution on word processor and submit as an
attachment.
DRAFT TV COMMERCIALS Your client directs TV advertising for a large corporation that currently relies on a single outside advertising agency. For years, ads have been created using the same plan: The agency creates a draft commercial and, after getting your client's approval, completes production and arranges for it to be aired has...
QUESTION 3 A marketing executive is creating a commercial for a new drug that treats insomnia....
QUESTION 3 A marketing executive is creating a commercial for a new drug that treats insomnia. Using the same voiceover script, he wants to know which one of three images people prefer to see: 1) a person who cannot sleep at night, 2) a person who is sleeping soundly at night, or 3) a person who is very sleepy during the day. He made four focus groups (comprised of individuals with difficulty sleeping) and showed them all three of the...
Question 21 3 pts Large Sample Proportion Problem. A survey was conducted on high school marijuana...
Question 21 3 pts Large Sample Proportion Problem. A survey was conducted on high school marijuana use. Of the 2266 high school students surveyed, 970 admitted to smoking marijuana at least once. A study done 10 years earlier estimated that 45% of the students had tried marijuana. We want to conduct a hypothesis test to see if the true proportion of high school students who tried marijuana is now less than 45%. Use alpha = .01. What is the critical...
A survey of 570 working adults in the United States asked each participant how many hours...
A survey of 570 working adults in the United States asked each participant how many hours they worked last week. The survey showed an average of 41.525 hours worked per week, with a standard deviation of 14.828 hours. (Note that this is the average for people that work in the United States, including part-time employees. Among full time employees, the average work week is closer to 47 hours. Link if you're interested: http://www.gallup.com/poll/175286/hour-workweek-actually-longer-seven-hours.aspx) Is there enough evidence to show that...
please help with 4 & 6 3. For each of the following situations determine whether a...
please help with 4 & 6
3. For each of the following situations determine whether a one- or a two-tailed test is appropriate. Also, state the research and the null hypotheses. a. You are interested in finding out if the average household income of residents in your state is different from the national average household. According to the U.S. Census, for 2014, the national average household income is $53,657.15 b. You believe that students in small liberal arts colleges attend...
10.2 A blind taste test is conducted to determine which of two colas, Brand A or...
10.2
A blind taste test is conducted to determine which of two colas, Brand A or Brand B, individuals prefer. Individuals are randomly asked to drink one of the two types of cola first, followed by the other cola, and then asked to disclose the drink they prefer. Results of the taste test indicate that 48 of 100 individuals prefer Brand A. Complete parts a through c. Do not reject the null hypothesis for the values of po between 0.39...
1. We reject the null hypothesis only when: a. our sample mean is larger than the population mean. b. the p value asso...
1. We reject the null hypothesis only when: a. our sample mean is larger than the population mean. b. the p value associated with our test statistic is greater than the significance level of the test we have chosen. c. our sample mean is smaller than the population mean. d. the p value associated with our test statistic is smaller than the significance level of the test we have chosen. 2. In a study of simulated juror decision making, researchers...
8/15 points 11 Previous Answers IllowskyintroStati 8.HW.123.general. My Notes Ask Your Teacher A telephone poll of 1...
8/15 points 11 Previous Answers IllowskyintroStati 8.HW.123.general. My Notes Ask Your Teacher A telephone poll of 1000 adult Americans was reported in a magazine. One of the questions asked was "What is the main problem facing the country? Suppose 24% answered "crime". We are interested the main problem. in the population proportion of adult Americans who feel that crime assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) NOTE: you are using...
Chapter TU Assignment 13, In a test of the quality of two television commercials, each commercial was shown in a separate testarea six times over a one week period. The following week a telephone survey was conducted to identify individuals who had seen the commercials. Those individuals were asked to state the primary message in the commercials. The following results were recorded 14. Commercial A Commercial B Number Who Saw Commercial 203 Number Who Recalled Message 62 Use .05 and...
Design a spreadsheet to determine the impact on ad quality of
paying for three draft commercials.
Write your answer/solution on word processor and submit as an
attachment.
DRAFT TV COMMERCIALS Your client directs TV advertising for a large corporation that currently relies on a single outside advertising agency. For years, ads have been created using the same plan: The agency creates a draft commercial and, after getting your client's approval, completes production and arranges for it to be aired has...
QUESTION 3 A marketing executive is creating a commercial for a new drug that treats insomnia. Using the same voiceover script, he wants to know which one of three images people prefer to see: 1) a person who cannot sleep at night, 2) a person who is sleeping soundly at night, or 3) a person who is very sleepy during the day. He made four focus groups (comprised of individuals with difficulty sleeping) and showed them all three of the...
Question 21 3 pts Large Sample Proportion Problem. A survey was conducted on high school marijuana use. Of the 2266 high school students surveyed, 970 admitted to smoking marijuana at least once. A study done 10 years earlier estimated that 45% of the students had tried marijuana. We want to conduct a hypothesis test to see if the true proportion of high school students who tried marijuana is now less than 45%. Use alpha = .01. What is the critical...
A survey of 570 working adults in the United States asked each participant how many hours they worked last week. The survey showed an average of 41.525 hours worked per week, with a standard deviation of 14.828 hours. (Note that this is the average for people that work in the United States, including part-time employees. Among full time employees, the average work week is closer to 47 hours. Link if you're interested: http://www.gallup.com/poll/175286/hour-workweek-actually-longer-seven-hours.aspx) Is there enough evidence to show that...
please help with 4 & 6
3. For each of the following situations determine whether a one- or a two-tailed test is appropriate. Also, state the research and the null hypotheses. a. You are interested in finding out if the average household income of residents in your state is different from the national average household. According to the U.S. Census, for 2014, the national average household income is $53,657.15 b. You believe that students in small liberal arts colleges attend...
10.2
A blind taste test is conducted to determine which of two colas, Brand A or Brand B, individuals prefer. Individuals are randomly asked to drink one of the two types of cola first, followed by the other cola, and then asked to disclose the drink they prefer. Results of the taste test indicate that 48 of 100 individuals prefer Brand A. Complete parts a through c. Do not reject the null hypothesis for the values of po between 0.39...
8/15 points 11 Previous Answers IllowskyintroStati 8.HW.123.general. My Notes Ask Your Teacher A telephone poll of 1000 adult Americans was reported in a magazine. One of the questions asked was "What is the main problem facing the country? Suppose 24% answered "crime". We are interested the main problem. in the population proportion of adult Americans who feel that crime assume that the underlying population is normally distributed. (In general, you must first prove that assumption, though.) NOTE: you are using...
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