01:26:56 4A marketing firm wants to know if there is a difference in the best marketing strategy for new customers compared to returning customers. In orderto determine the relationship between marketing strategy and customer type, the following information on number of sales generated is obtainedfor each group. Is there sufficient evidence at the 0.10 level of significance to conclude that an association exists between marketing strategy andcustomer type?Observed Sample of CustomersPaidSocialWebTotalsearchMediaretargetingNew customer140169164473Returning166141149456customerTotal306310313929Copy DataPrevN-Step 3 of 4: Compute the value of the test statistic. Round your answer to three decimal places, if necessary. (Note: If calculating by hand, be sureto use at least six decimal places in numbers for all intermediate calculatito ensure accuracy of the result.)E TablesE KeypadAnswerKeyboard Shortcuts© 2021 Hawkes LearningQUIS A

Solution To find the test statistic use chi square test for independence.

Answered: 01:26:56 A marketing firm wants to know…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A study is being conducted to determine the relationship between religions and preference for female children in Japan. The results are given in the following table. Does it seem that there is a relationship between religion and preference for female children? Use the 5% significance level, to test the claim.
A survey was conducted to determine whether hours of sleep per night are independent of age. A sample of individuals was asked to indicate the number of hours of sleep per night with categorical options: fewer than 6 hours, 6 to 6.9 hours, 7 to 7.9 hours, and 8 hours or more. Later in the survey, the individuals were asked to indicate their age with categorical options: age 39 or younger and age 40 or older. Sample data follow. Hours of Sleep Age Group 39 or younger 40 or older Fewer than 6 40 38 6 to 6.9 60 57 7 to 7.9 77 75 8 or more 63 90 (a) Conduct a test of independence to determine whether hours of sleep are independent of age. State the null and alternative hypotheses. H0: Hours of sleep per night is not independent of age.Ha: Hours of sleep per night is independent of age. H0: Hours of sleep per night is independent of age.Ha: Hours of sleep per night is not independent of age. H0: The proportion of people who get 8 or more hours of sleep per…
Tips It’s commonly believed that people use tips toreward good service. A researcher for the hospitalityindustry examined tips and ratings of service qualityfrom 2645 dining parties at 21 different restaurants. The correlation between ratings of service and tip percent-ages was 0.11. (M. Lynn and M. McCall, “Gratitude and Gratuity.” Journal of Socio-Economics 29: 203–214)a) Describe the relationship between Quality of Serviceand Tip Size.b) Find and interpret the value of R2 in this context.
Please help me with the following question and make sure your answer is correct 100%, thank you
What social media tools do marketers commonly use? Researchers surveyed marketers who commonly use an indicated social media tool. Surveyed were B2B marketers, marketers focusing primarily on attracting businesses, and B2C marketers, marketers targeting consumers. Suppose the survey was based on 500 B2B and 500 B2C marketers and yielded the results in the table below. For each social media tool, at the 0.05 level of significance, determine whether there is a difference between B2B marketers and B2C marketers in the proportion who used each social media tool. Social Media Tool B2B B2CA 84% 91%B 84% 76%C 82 % 61%D 39% 53% What is the p-value for the test statistic and interpretation? For Tool B determine the test statistic. What is Tool B p-value 12. EOC
Find tests statitic and p-score.
Does the type of instruction in a college statistics class (either lecture or self-paced) influence students’ performance, as measured by the number of quizzes successfully completed during the semester? Twelve students were recruited for the study. Students received the lecture instruction or a self-paced instruction. The total number of quizzes completed during teach type of instruction appear below.
K A poll was conducted to investigate opinions about global warming. The respondents who answered yes when asked if there is solid evidence that the earth is getting warmer were then asked to select a cause of global warming. The results are given in the accompanying data table. Use a 0.01 significance level to test the claim that the sex of the respondent is independent of the choice for the cause of global warming. Do men and women appear to agree, or is there a substantial difference? 75 01 51 16 84 31 37 90 80 Male Female Click here to view the chi-square distribution table. 00 47 Human activity Natural patterns Don't know 58 56 Ho: H₁: 321 298 Identify the null and alternative hypotheses. The sex of the respondent Compute the test statistic. 163 164 (Round to three decimal places as needed.). Find the critical value(s). Area to the Right of the critical value Chi-square distribution table 0.95 0.004 0.103 0.352 0.711 1.145 1.635 2.167 2.733 3.325 3.940 and and 0.90 0.016 0.211…
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give an example of a study for which the independent sample t-test is appropiate
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