Martha Quinn is interested in the proportion of fast to slow songs she will play today. She takes today's play list and randomly selects 10 songs from those played in the morning, 10 songs from those played in the afternoon, and 10 songs from those played in the evening. What sampling method did Martha employ?

Q: Determine whether the sampling method described below appears to be sound or is flawed.   In a…

A: A sample in which the subjects themselves decide whether to be included in the study is called…

Q: For the scenarios below, determine which sampling method was used (simple random, cluster,…

A: Introduction :-  For the scenarios given, we have to determine which sampling method was used…

Q: To determine her heart rate, Samantha divides up her day into three parts: morning, afternoon, and…

A: We have given a sampling process just we need to name the sampling design.

Q: Read the description below and determine the method of sampling. Ask four classmates to rate the…

A: Answer is  Convenience

Q: A newspaper posted this question on its website: "How often do you seek medical information online?"…

A:

Q: A newspaper posted this question on its​ website: "How often do you seek medical information​…

A: Voluntary response sample:If the sample made up of volunteers or self-selected participants then the…

Q: ) State which sampling method used in the following scenarios i. Select the first 19 customers who…

A: Sampling techniques are used to select a sample inorder to provide an adequate description of the…

Q: A graduate student wants to know which campus dining option undergraduate students prefer across the…

A: Here, the graduate student randomly selected 10 students from each residence hall across the…

Q: Identify the sampling technique used. Every fifth person boarding a plane is searched thoroughly.

A: here use basic of sampling method  there are various sampling methods like , systematic , stratified…

Q: To study the mean blood pressure of all people in her state, Christine samples the population by…

A: Convenience sampling can be defined as the method of sampling in which the researcher selects the…

Q: Do this! Sample Problem 3. How many people can be seated in 6 square tables lined up straight to…

A: In this question we have to find How many people can be seated in 6 square table lined up straight…

Q: A. Teacher John wants to select a sample of 225 learners from the population which are grouped…

A: Given information: The number of sample, selected, n = 225 Total population, N = 35200 City…

Q: A sample was taken by randomly selecting one student from the administration’s official list of…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: In an AOL survey of Internet users, this question was posted online: "Have you ever been hit by a…

A: A population is a collection of all possible observations, whereas a census tries to gather whole…

Q: Why did they take my favorite show off the air?" The answer lies, no doubt, in low Nielsen ratings.…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   Given : Of the…

Q: From a list of 2000 students, we need to choose a sample of 125 students, if systematic random…

A: HERE IN SYSTEMATIC SAMPLING SAMPLE IS CHOSEN AFTER SPECIFIC INTERVAL.THAT INTERVAL IS CALLED…

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: In conducting a statistical study about the number of hours full-time students work at Miramar…

A:

Q: know the preference of Marikeños regarding vaccine brand for booster shot, the city health officer…

A: Give that, To know the preference of Marikeños regarding vaccine brand for booster shot, the city…

Q: A city's telephone book lists 300,000 people. If the telephone book is the frame for a study, how…

A: Here population size, N=300000 Systematic sample is done on every 100th person i.e sampling interval…

Q: In acceptance sampling, usually 100% of the incoming lot is checked. True or False

A: Acceptance Sampling: It is concerned with decision related to acceptance of the lot.   There are…

Q: To determine her mood, Miranda divides up her day into three parts: morning, afternoon, and evening.…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: To determine customer opinion of their service, Business Depot randomly selects 50 stores during a…

A: In this case, we need to identify the correct sampling method for the given statement.

Q: In a study, the sample is chosen by dividing members of the U.S. Congress by the region in which…

A: There are mainly 5 survey sampling methods.  Simple Random Sampling: Each member of the sample is…

Q: If we wanted a random sample of students in a cafeteria, why couldn't we just take the students who…

A: Answer: Here random word itself says that we couldn't just take the students who order coke with…

Q: Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: A graduating education student is interested to know the engagement of senior high school students…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: Identify the sampling techniques​ used, and discuss potential sources of bias​ (if any). Explain.…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: For the scenarios below, determine which sampling method was used (simple random, cluster,…

A:

Q: A marble manufacturer advertises that its bags of marbles will contain 25% "milky-white" marbles.…

A: In the context, the sampling percentage of milky-white marbles, p̂ is 25%. The total number of…

Q: A pollster uses a campus directory and contacts every 50th person listed. What type of sample is…

A: Simple random sampling: In simple random sampling, all the units in the population have the equal…

Q: To determine customer opinion of their safety features, Daimler - Chrysler randomly selects 80…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: The school nurse would like to conduct a study on the sleeping habit of grade six students in their…

A: the school nurse would like to conduct a study on the sleeping habit of grade six students in their…

Q: 7) At 9AM on a Monday, five Starbucks stores are chosen and all customers are asked to participate…

A: Answer:

Q: As part of a sixth-grade class project the teacher brings to class a large jar containing 200…

A: Given, Population size = 200 Sample size = 25 Red gumballs = 15 Green gumballs = 10

Q: To determine his DSL Internet connection speed, Shawn divides up the day into four parts: morning,…

A:

Q: Niles wants to learn more about British accents, so he divides Great Britain into 12 regions and…

A: Simple random sampling: A procedure for selecting a sample of size n out of a finite population of…

Q: Suppose the marketing company did a survey. They randomly surveyed 145 households and found that in…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…

Q: Suppose 420 randomly selected people are surveyed to determine whether or not they subscribe to…

A: Given that, 420 randomly selected people are surveyed to determine whether or not they subscribe to…

Q: Name the sampling method used in each of the following situations:  a. A woman in the airport is…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Which sampling technique is used if a researcher randomly selects and interviews 40 male and 40…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: 1. Come up with a sampling plan to find the proportion of dots that are red, and also an estimate of…

A: Given: A square of side 1 with numerous red and black dots

Q: choose every 10th person from the list is example of systematic sampling O

A: This is an example of systematic sampling.

Q: Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in…

A: Given Data Sample Size, n = 159 Number of successes, x = 109.0 Significance level,…

Q: In an AOL survey of Internet​ users, this question was posted​ online: "Have you ever been hit by a…

A: Given: The question posted online is: Have you ever been hit by a computer​ virus? Among the​…

Q: Identify the sampling technique used. Based on 13,000 responses from 28,000 questionnaires sent to…

A: To identify the sampling techniques used.

Q: What type of sampling technique does this represent

A: here use basic of sampling method

Q: The department head of a private secondary school in Marikina City surveyed randomly selected…

A: Given that  The department head of a private secondary school in Marikina City surveyed randomly…

Q: Discuss the four different sampling methods, and for each method, explain why we might use it.

A: Here we need to discuss four different types of sampling methods with their uses.

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.