What Sampling Technique is used? In 1500 SHS students, the researcher divided the population into subgroups; this was done by strands. The researcher needed 50 SHS students who belong to the ABM strand – PM shift. The researcher chooses the participants, being careful to adhere to the subgroup’s characteristics.

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 7.…

A: Observational : It is the study in which researcher records or observes the observations without…

Q: A random sample of 200 people is chosen and their eye color was observed with the following counts:…

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Q: Suppose that about 85% of graduating students attend their graduation. A group of 25 graduating…

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Q: A researcher decided to gather data from all 150 employees in a certain office instead of just…

A: A certain office has 150 employees. All of them are selected by a researcher to gather data from.

Q: the data were collected by asking the first 111 people who entered the store, then the type of…

A:

Q: Nolan surveyed 7 teachers from each academic department at school. Each department has an equal…

A: Given: 7 teachers from each academic department surveyed Each department has an equal number of…

Q: Mrs. Feleo samples her class by selecting every ninth person on her class list. Which type of…

A: Mrs. Feleo samples her class by selecting every ninth person on her class list

Q: At a small Midwestern college, a survey determined that 61% of freshmen participated in…

A: Given that, The event A is participated in intercollegiate athletics The event B is participated in…

Q: vivors. vas male? was in the 2nd class? vas a male given that the person was in 2nd clas

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Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: A television station wishes to study the relationship between viewership of its 11 p.m. news program…

A: p1 = 49/250 = 0.196 p4 = 81/250 = 0.336

Q: Identify the sampling techniques used in each scenario. d. a candidate for the local school board…

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Q: class contains 8 students. Find the number of ordered sample of size 3 with replacemen

A: Since , the class contains 8 students. Our aim is to find the number of ordered sample of size 3…

Q: If N is the size of the population and n is the size of the sample, find the sampling fraction?

A: From the provided information, The population size is N and the sample size is n.

Q: The director of library services at a college did a survey of types of books (by subject) in the…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: researcher decided to study the dietary habits of community college students. She did so in a way to…

A: Solution: The sampling methods can be classified into two types 1) Probability or random sampling…

Q: Jll asked some randomly selected students whether they preferred blue, green, or other colors. She…

A: The two-way frequency table is,    Preferred color       Gender Green  Blue Other Total Girl…

Q: What constitutes each pair in a paired sample?

A: Paired t-test: The paired t-test, also known as the “dependent t-test”, is a statistical procedure…

Q: a study with 5 groups, 6 samples each group, what are the degrees of freedom for the total, group,…

A: Given: Number of groups (k) = 5 Number of samples each group (n)=6

Q: 1. The person is female or has a college degree. Answer: College degree (D) 29 No college degree…

A: The given contengency table shows the gender and their educational background.

Q: Both Spinner A and Spinner B have equal-sized sections, as shown at the right. Make a table to…

A: As per given by the question and figure, there are two equal size spinner, spinner A and spinner B…

Q: In Exercises 33 to 30, determine whether or not the conditions for using two-sample t procedures are…

A: The conditions or assumption required for the two sample t test are.  1) Both the samples are…

Q: Of the 150 students in the third year group at a school, 60 are boys. Stratified random sampling was…

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Q: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

A: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

Q: A professor wanted to study the number of hours statistics students spend studying statistics each…

A: Given that a researcher studying the number of hours statistics students spend studying statistics…

Q: A large group of workers is divided into three departments: those who work in special operations,…

A: The health inspector would like to know if these data provide convincing evidence that the…

Q: A serving for brand recognition is done and it is determined that 68% of consumers have heard of…

A: Solution: Let X be the number of consumers who recognize the dull computer company and n be the…

Q: Bradley Nixon is interested in the study habits of online math students.  As part of his study, he…

A: First need to understand about sample and population. Population: It is the set of all the possible…

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 5. A…

A: An Experimental study is defined as an efficient method for designing experiments in such a way that…

Q: A statistics teacher asked two different students, Lexie and Jennifer, to go to Wegmans and sample…

A: Given information: A statistics teacher asked two different students, Lexie and Jennifer, to go to…

Q: Suppose 20% of the students on campus smoke. You select two students at random. In what percentage…

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Q: Identify the sampling techniques used in each scenario. a candidate for the local school board…

A: Here, survey of parents pick up their children last month.