a-e

1): True or False. If the statement is True, then indicate True. If the statement is False, then indicate False and carefully explain with no more than three sentences why the statement is false. a) A rescarcher is interested in administering a survey to gauge attitudes of Catholic Church member regarding the current Pope. A random sample of five Catholic Churches in King County are selected and all church members of those five churches are surveyed. This type of sample is called a stratified sample. b) A student is collecting data on movie preferences for a class project. The student stands outside a neighborhood theater and asks people exiting the theater if they would be willing to take a brief survey. The student can get 50 people willing to participate over the course of six hours. The 50 completed surveys are an example of a simple random sample. c) A study compared a group of men who had heart attacks with a similar group of controls. The proportion of men with male pattem baldness was compared between the two groups. This is an example of an observational study. d) The contingency table shown below is from a Pew Research Center study, published in May 2022, that looked at use of videe conferencing services (Zoem, Webex or other) for three levels of work from home status. When rounding to one decimal point, the joint pereentage of people that sometimes work from home and never use video conferencing for work is 23%. Further, ameng people that sometimes use video conferencing for work, 22.7% work from home all or most of the time, 37.3% sometimes work from home and 40% rarely or never work from home. e) Looking at the stacked bar charts en the next page, the variables work from home status and use of videe cenferencing for work appear to be independent. Note VCWork is use of video conferencing for work. WHome is work from heme status. 1): True or False. If the statement is True, then indicate True. If the statement is False, then indicate False and carefully explain with no more than three sentences why the statement is false. a) A rescarcher is interested in administering a survey to gauge attitudes of Catholic Church member regarding the current Pope. A random sample of five Catholic Churches in King County are selected and all church members of those five churches are surveyed. This type of sample is called a stratified sample. b) A student is collecting data on movie preferences for a class project. The student stands outside a neighborhood theater and asks people exiting the theater if they would be willing to take a brief survey. The student can get 50 people willing to participate over the course of six hours. The 50 completed surveys are an example of a simple random sample. c) A study compared a group of men who had heart attacks with a similar group of controls. The proportion of men with male pattem baldness was compared between the two groups. This is an example of an observational study. d) The contingency table shown below is from a Pew Research Center study, published in May 2022, that looked at use of videe conferencing services (Zoem, Webex or other) for three levels of work from home status. When rounding to one decimal point, the joint pereentage of people that sometimes work from home and never use video conferencing for work is 23%. Further, ameng people that sometimes use video conferencing for work, 22.7% work from home all or most of the time, 37.3% sometimes work from home and 40% rarely or never work from home. e) Looking at the stacked bar charts en the next page, the variables work from home status and use of videe cenferencing for work appear to be independent. Note VCWork is use of video conferencing for work. WHome is work from heme status