As part of the SPC Reads initiativeProf. Rosengarten needs to find out what the 10 most popular books right now are with current students. She takes a list of all currently enrolled students, sorts it based on student number, and then selects every 42nd studentstarting with the 7th. What sampling method did Prof. Rosengarten employ?

The Ramapo College social media coordinator wants to create graduation videos to share on the College's social media account.  She decides to randomly select 10 students from each of the 5 schools to feature during Arching and Graduation.  What sampling method is the social media coordinator using?  Group of answer choices Simple Random Sample Stratefied Sample Systematic Sample

There are​ 64% of US adults who own a​ smartphone, up from​ 35% in 2011. Smartphones have become an important way for Americans to​ communicate, go​ online, access and share information. The Pew Research Center surveyed 1635 people in​ November, 2014 on smartphone ownership. Their goal was to learn how Americans use their smartphone devices.   Identify the population and the sample.

A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which are defective. Step 1 of 2: Suppose a sample of 1875 floppy disks is drawn. Of these disks, 1594 were not defective. Using the data, estimate the proportion of disks which are defective. Enter your answer as a fraction or a decimal number rounded to three decimal places. Answer How to enter your answer (opens in new window) Tables Keypad

The school canteen is doing a survey on the food preferences of the students. They printed 100 survey forms and they randomly select 10 students from each grade level from grade 1 to grade 10. What type of random sampling is used.

The local newspaper selected 1500 residents of Claremore residents to poll about a proposed tax increase.   What is the population that they are studying?       What is the sample involved in the study?       If they chose to divide the city by elementary school attendance area and then contacted 7 people in each area asking whether they support the tax increase, what method of sampling would they be using?       If they placed a link on their website that interested parties could report whether they support the tax increase, what method of sampling would they be using?       Let’s assume that on that web page, there were 437 who supported the tax increase and 354 who did not. What is the sample proportion?

Of a graduate school that has 2000 business majors, 500 finance majors and 300 biology majors, a researcher starts at the least-numbered student ID and continues until she has collected the names of 200 business students, 50 finance students and 30 biology students. What type of sampling technique does this represent? Explain your reasoning.

Eight movies based on Marvel comic book characters for the U.S. box office as of fall 2017 are shown in the accompanying table, with domestic gross rounded to the nearest million. Find and interpret the median domestic gross of the top five of these eight Marvel movies. Click the icon to view the domestic gross for the eight movies. Find and interpret the median domestic gross of the top five of these eight Marvel movies. Select the correct choice below and fill in the answer box within your choice. (Type an integer or a decimal. Do not round.) OA. The median is OB. The median is OC. The median is OD. The median is million dollars. This means that none of the top five of these eight Marvel movies made more than this much money. million dollars. This means that about 75% of the top five of these eight Marvel movies made more than this much money. million dollars. This means that about 25% of the top five of these eight Marvel movies made more than this much money. million dollars. This…

determine which sampling method was used (simple random, cluster, convenience, stratified, systematic), and brieflystate how you were able to identify the type of sampling being used   A student surveys 30 people who happen to be on campus at 1:00 pm on a Monday.

A coach puts the names of all the basketball players into a hat and draws one name for a free basketball. Which sampling method is being used?