Homework Answers
solution:
Null hypothesis:The gender and party candidate support is independent of population of places
Alternative hypothesis: The gender and party candidate support is not independent of population of places
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In a recent political poll the following data were collected when looking at the difference between...
In a recent political poll, the following data were collected when looking at the difference between...
In a recent political poll, the following data were collected when looking at the difference between gender and support for a candidate. Support Democratic Candidate Support Republican Candidate Support a Third-Party Candidate Total Women Men Total Determine the appropriate the null and alternative hypotheses. Selec i ndependent in the population of people. The alternative hypothesis is that gender and party candidate support The null hypothesis is that gender and party candidate support ---Select- Independent in the population of people.
In a recent political poll, the following data were collected when looking at the difference between...
In a recent political poll, the following data were collected when looking at the difference between gender and support for a candidate. Total Support Democratic Candidate Support a Third-Party Candidate Support Republican Candidate 51 5 22 24 Women 7 49 22 20 Men 12 100 Total 44 Determine the appropriate the null and alternative hypotheses. The null hypothesis is that gender and party candidate support --Select-- ~ independent in the population of people. The alternative hypothesis is that gender and...
A sport preference poll yielded the following data for men and women. Use a 5% significance...
A sport preference poll yielded the following data for men and women. Use a 5% significance level and test to determine if sport preference and gender are independent. Basketball Football Soccer Men 20 25 30 75 Women 18 12 15 45 38 45 120 What is the test value for this hypothesis test? (Round your answer to two decimal places) What is the critical value for this hypothesis test? (Round your answer to two decimal places) What is the conclusion...
A sport preference poll yielded the following data for men and women. Use a 5% significance...
A sport preference poll yielded the following data for men and women. Use a 5% significance level and test to determine if sport preference and gender are independent. Sport Preferences of Men and Women Basketball Football Soccer Men 20 25 30 75 Women 18 12 15 45 38 37 45 120 What is the test value for this hypothesis test? Answer: Round your answer to two decimal places. What is the critical value for this hypothesis test? Answer: Round your...
8. Which of the correlation coefficients shown below indicates the strongest linear correlation? a) - 0.903...
8. Which of the correlation coefficients shown below indicates the strongest linear correlation? a) - 0.903 b) 0.720 c) -0.410 d) 0.203 9. A manager of the credit department for an oil company would like to determine whether the average monthly balance of credit card holders is equal to $75. An auditor selects a random sample of 20 accounts and finds that the average owed is $83.40 with a sample standard deviation of $23.65. If you were to conduct a...
A poll was conducted to investigate opinions about global warming. The respondents who answered yes when...
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,...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime of refrigerators is approximately Normal with a mean of 10 years and a standard deviation of 2 years. Suppose your parent's refrigerator had a lifetime in the 10 percentile. What was the age of your parent's refrigerator when it had to be replaced? Round your answer to 1 decimal place. 4.4 years 5.4 years 6.4 years 7 4 years BA years QUESTION 13 Suppose...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number of women and men who stated in a recent semple that they trust recommendations more than recommendations from any other social network platform (Forbes website, April 10, 2012 ). But, does trust in Pinterest difter by recommendations made on Pinterest Men 170 Trust Recommendations Made on Pinterest 117102 Women 150 Sample a. What is the point s the point estimate of the proportion of...
In an earlier tutorial, you were introduced to a data set that contains voting information for...
In an earlier tutorial, you were introduced to a data set that contains voting information for 173 US election districts. Suppose we have access to 40 observations from that data set. Throughout this assignment, data analysis is conducted on these 40 observations only The variables are defined as folloWS: xotedpercentage of the vote received by Candidate A expendA-campaign expenditure by Candidate A (in million dollars) expendB-campaign expenditure by Candidate B (in million dollars) grtvstra -a measure of party strength for...
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women...
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place are shown below, Frequencies of Breakfasts for Men and Women French Toast Pancakes Waffles Omelets Men 54 79 Women 109 120 What can be concluded at the a = 0.01 significance level? a What is the correct statistical test to use? Homogeneity Independence Paired t-test Goodness-of-Fit b. What are the null and alternative hypotheses? Ho: The distribution of breakfast...
In a recent political poll, the following data were collected when looking at the difference between gender and support for a candidate. Support Democratic Candidate Support Republican Candidate Support a Third-Party Candidate Total Women Men Total Determine the appropriate the null and alternative hypotheses. Selec i ndependent in the population of people. The alternative hypothesis is that gender and party candidate support The null hypothesis is that gender and party candidate support ---Select- Independent in the population of people.
In a recent political poll, the following data were collected when looking at the difference between gender and support for a candidate. Total Support Democratic Candidate Support a Third-Party Candidate Support Republican Candidate 51 5 22 24 Women 7 49 22 20 Men 12 100 Total 44 Determine the appropriate the null and alternative hypotheses. The null hypothesis is that gender and party candidate support --Select-- ~ independent in the population of people. The alternative hypothesis is that gender and...
A sport preference poll yielded the following data for men and women. Use a 5% significance level and test to determine if sport preference and gender are independent. Basketball Football Soccer Men 20 25 30 75 Women 18 12 15 45 38 45 120 What is the test value for this hypothesis test? (Round your answer to two decimal places) What is the critical value for this hypothesis test? (Round your answer to two decimal places) What is the conclusion...
8. Which of the correlation coefficients shown below indicates the strongest linear correlation? a) - 0.903 b) 0.720 c) -0.410 d) 0.203 9. A manager of the credit department for an oil company would like to determine whether the average monthly balance of credit card holders is equal to $75. An auditor selects a random sample of 20 accounts and finds that the average owed is $83.40 with a sample standard deviation of $23.65. If you were to conduct a...
QUESTION 11 Based on a recent survey of its subscribers, Consumer Reports found that the lifetime of refrigerators is approximately Normal with a mean of 10 years and a standard deviation of 2 years. Suppose your parent's refrigerator had a lifetime in the 10 percentile. What was the age of your parent's refrigerator when it had to be replaced? Round your answer to 1 decimal place. 4.4 years 5.4 years 6.4 years 7 4 years BA years QUESTION 13 Suppose...
Forbes reports that women trust recommendations from Pinterest gender? The following sample data shew the number of women and men who stated in a recent semple that they trust recommendations more than recommendations from any other social network platform (Forbes website, April 10, 2012 ). But, does trust in Pinterest difter by recommendations made on Pinterest Men 170 Trust Recommendations Made on Pinterest 117102 Women 150 Sample a. What is the point s the point estimate of the proportion of...
In an earlier tutorial, you were introduced to a data set that contains voting information for 173 US election districts. Suppose we have access to 40 observations from that data set. Throughout this assignment, data analysis is conducted on these 40 observations only The variables are defined as folloWS: xotedpercentage of the vote received by Candidate A expendA-campaign expenditure by Candidate A (in million dollars) expendB-campaign expenditure by Candidate B (in million dollars) grtvstra -a measure of party strength for...
Do men and women select different breakfasts? The breakfasts ordered by randomly selected men and women at a popular breakfast place are shown below, Frequencies of Breakfasts for Men and Women French Toast Pancakes Waffles Omelets Men 54 79 Women 109 120 What can be concluded at the a = 0.01 significance level? a What is the correct statistical test to use? Homogeneity Independence Paired t-test Goodness-of-Fit b. What are the null and alternative hypotheses? Ho: The distribution of breakfast...
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