sampling ons Situations v dividing the population by Gender, and choosing 30 people of each gender | number every name on a list and use a random number generator to select the first 50 numbers | asking your 20 closest friends |randomly select two tables in the cafeteria and survey all the people at those two tables |call every 15th phone number on every 5th page of the phone book

Which design is the most appropriate for this experiment? Aeronautical researchers have developed three different processes to pack a parachute. They want to compare the different processes in terms of time to deploy and reliability. There are 1,200 objects that they can drop with a parachute from a plane. Using a table of random digits, the researchers will randomly place the 1,200 items into three equally sized treatment groups suitable for comparison. O Randomly number each item with 1, 2, or 3. Assign the items labeled 1 to the process 1 group, assign the items labeled 2 to the process 2 group, and assign the items labeled 3 to the process 3 group. O Number each item from 1 to 1,200. Reading from left to right from a table of random digits, identify 800 unique numbers from 1 to 1,200. Assign the items with labels in the first 400 numbers to the process 1 group. Assign the items with labels in the second 400 numbers to the process 2 group. Assign the remaining items to the process 3…

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answer the questions in the picture please.

PLEASE TRY TO SOLVE ALL OF THESE (I AM STUDYING FOR A HUGE TEST!) THANK YOU!1. Caroline is doing research on the heights of players on her soccer team. Select each description that is an example of systematic sampling. A. Caroline chooses every seventh person on the team roster, starting with the second. B. Caroline randomly chooses one of her teammates. C. Caroline chooses the first 5 names on the team roster. D. Caroline chooses everyone on her team. E. Caroline has her teammates count off by 6 and chooses the ones who counted “3.” 2. You are doing research on the students in your class. Which of the following descriptions is an example of systematic sampling? A. You make a list of the students and choose the first 5 names on your list. B. You choose every student whose birthday is in July. C. You choose every student in your class. D. You have the students count off by 5 and choose the students who counted “4.” 3. Think About the Process The houses on a…

A researcher wants to survey 2000 Americans for an obesity study. Match the strategies to their corresponding sampling techniques.  The researcher posts the survey on the Internet the survey question and waits until 2000 people have responded.  The researcher picks 20 different small groups:a church group a Democrat club a student club etc. each containing 100 people. Then the researcher makes sure that everyone from each group answers the survey question.  The researcher gets the complete list from the Census Bureau and surveys every 1500th person on the list.  The researcher makes sure that the proportion of respondents from each state matches the proportion of each state's population to the US population.  The researcher gets the complete list from the Census Bureau and uses a computer to randomly select 2000 people. Stratified Sampling Systematic Sampling Cluster Sampling Convenience Sampling Simple Random Sampling

A store manager gathers some demographic information from the store's customers. The following chart summarizes the age-related information they collected: