Suppose a survey of 538 women in the United States found that more than 63% are the primary investor in their household. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of thesurveyChoose the best statement of the descriptive statistic in the problem.O A. 63% of women in the sample are the primary investor in their household.O B. There is an association between the 538 women and being the primary investor in their household.O C. There is an association between U.S. women and being the primary investor in their household.O D. 538 women were surveyed.Choose the best inference from the given information.O A. There is an association between U.S. women and being the primary investor in their household.O B. 538 women were surveyed.their household.O C. There is an association between the 538 women and being the primary investorO D. 63% of women in the sample are the primary investor in their household.

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Answered: Suppose a survey of 538 women survey.…

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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Please Help. Your politician friend wants to do a survey to find out the impact of a tax on wealth held by households in her community. You remember that the survey could be misleading if it interviews only 100 randomly-selected households. Why might this be?
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…
Suppose a survey of 931 business owners found that 23% bought flood insurance. Which part of the survey represents the descriptive branch of statistics? Make an inference based on the results of the survey. Choose the best statement of the descriptive statistic in the problem. O A. Most business owners do not buy flood insurance. B. There is no association between business owners and buying flood insurance. OC. 931 business owners were surveyed. O D. 23% of business owners in the sample bought flood insurance. Choose the best inference from the given information. OA. 23% of business owners in the sample bought flood insurance. OB. 931 business owners were surveyed. OC. Most business owners do not buy flood insurance. D. There is no association between business owners and buying flood insurance.
Microsoft Word -... 56% of students entering four-year colleges receive a degree within six years. Is this percent larger than for students who play intramural sports? 170 of the 278 students who played intramural sports received a degree within six years. What can be concluded at the level of significance of a = 0.10? a. For this study, we should use Select an answer b. The null and alternative hypotheses would be: Select an answer ✓ Ho: ? H₁: ? Select an answer (please enter a decimal) (Please enter a decimal) (please show your answer to 3 decimal places.) c. The test statistic ? ✓ = d. The p-value = e. The p-value is ? a f. Based on this, we should Select an answer the null hypothesis. g. Thus, the final conclusion is that ... (Please show your answer to 4 decimal places.) O The data suggest the populaton proportion is significantly larger than 56% at a = 0.10, so there is sufficient evidence to conclude that the population proportion of students who played intramural sports who…
p2. answer only pls 10. what is the null hypothesis 11. what is the alternative hypothesis 12. what is the claim, the null hypothesis or the alternative hypothesis 13. what type of test to use 14. what is the level of significance? 15. what is the degrees of freedom
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One of the theories behind the large polling errors in 2016 election was the "shy Trump voter". According to this explanation, many respondents voted differently than what they told the pollsters. What type of bias does this phenomena introduce to the polls? answer choices 1.Selection bias 2.Response bias 3.Non-response bias 4.Something else
The measure of central tendency which is used for categorical data is .... ..
What is the purpose of a contingency table a. It summarizes the frequencies of two variables so that they can be compared. b. It lists the different levels of p value for tests of significance. c. It shows the results you would expect to find by chance. d. It compares the results you might get from various statistical tests.

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