If we took three different samples of college students (one from California, one from Arizona, and one from Alaska) and each sample had 500 students, what do you believe the sampling distribution for age would look like? What about for parent’s annual income? What about for number of snow days? Explain each response.

Q: A Mathematics teacher has 20 movie tickets. He is planning to distribute those tickets to his class…

A: Given No. of tickets with teacher = 20 No. of students in class = 50 students

Q: Felicia is conducting a survey to determine the determine the favorite TV show among her community.…

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

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: 9. To get reactions about a particular new car, readers of a car magazine were asked to mail in…

A: Solution: Here we  are only interested in the valuntary response sampling method. So first we…

Q: A statistics professor wants to know how her students feel about an introductory statistics course…

A: Cluster sampling: In cluster sampling the whole population is divided into different sections or…

Q: What type of sampling technique is used in the given situation ?The students were subdivided into 24…

A: The sampling process is given by The students were divided into 24 categories ir groups and then…

Q: A political scientist surveys 28 of the current 101 representatives in a state's legislature. What…

A: A finite part of a population chosen for an experiment is called a sample, and the number of…

Q: The average age of the MBA students in a statistics class is 30.7 years old. The ages of five…

A: Given data: 36, 25, 25, 29, 30.

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: b) Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: Given  Caitlyn has to determine how many of the 120 employees in her work place has comprehensive…

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: 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: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: The population is of freshmen students =1400The number of male students in  Strata-1 =600The…

Q: A political scientist surveys 35 of the current 130 representatives in a state's legislature. What…

A:

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

A: Sampling is the method to select the sample from the population. the sample is a part of the…

Q: I am doing a survey and want to know how many siblings each participant has. Participant 3 leaves…

A: Introduction: Consider that there are n participants in the study. Each participant is asked how…

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: Suppose that we will randomly select a sample of n= 94 elements from a population and that we will…

A: From the given information, n=94 and p=0.8 n(1-p)=941-0.8              =18.8

Q: find sample coefficient of variation   2.5,2.6,2.8,3.5,2.9,3.4,3.1,3.2,3.6

A:

Q: Pippa is interested in understanding how many hours per week teenagers in her town spend watching…

A:

Q: 2. There were a variety of random sampling techniques introduced in this chapter including:…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Why a sample size of n=100 is more likely to have a percentage of pop songs closer to the population…

A: Sample of size 32 or greater is consider as large sample .

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: A researcher wants to study the effects of social media on Grade 11 Mathematics High School. He…

A: Note: " Since you have asked multiple questions, we will solve the first question for you. If you…

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: recent poll reports that between 53% and 59% of voters will vote for president george in the next…

A: The confidence interval is (53%, 59%).

Q: In your own words, thoroughly explain how a sampling distribution of a sample can be constructed.

A: Solution: Given: Proportion or chance of effectiveness of one of their vaccines = 80% = 0.80 To…

Q: Amanda is writing an article for the school newspaper about social media use among teens. She wants…

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

Q: Marina sampled every tenth member of the population in her studies. What type of sampling would she…

A: We want to tell what type of sampling would she be used

Q: Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: Total no of employees = 120 Sample = 40

Q: Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: i) Since caitlyn is interested in proportion of her coworker have comprehensive car insurance…

Q: You want to obtain a survey from households across the U.S. To obtain the survey you separate the…

A: You want to obtain a survey from households across the U.S. To obtain the survey you separate the…

Q: 2. The subjects of your study are the education students in public universities that offers Free…

A: Random Sampling : sample taken randomly from population.  Systematic sampling : sample chosen from…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Given that Margin of error, E = 3.5 percentage point = 0.035 Level of confidence = 99% The critical…

Q: Discuss what sampling bias is. Do you believe that using the 30 boxes in your warehouse caused…

A: Sampling bias is the bias occurs while selecting samples from a population where some members in the…

Q: A political scientist surveys 34 of the current 90 representatives in a state's legislature. What is…

A: Population: A population is the collection of all possible events for an experiment. Sample: A…

Q: 4a. Suppose that 35% of senior citizens have a social media account. If we survey 150 senior…

A: The question is about sampling distribution Given : Prop. of senior citizens have a social media…

Q: The table below shows the number of students in each year level at Seido High School. (see attached…

A: Given info: Emma does a survey to find out what type of TV programs people like to watch. She…

Q: A political scientist surveys 26 of the current 87 representatives in a state's legislature. What…

A: Size of the population is total number of individuals under study. Size of the sample is number of…

Q: A writer for an art magazine randomly selects and interviews fifty male and fifty female artists.…

A: From the given data, Here, Males and females are two stratas and stratified sampling is done by…

Q: Answer the problem using random sampling technique concepts. Problem: A researcher would like to…

A: We can use Stratified random sampling technique to this situation. Here total = N=800 Sample…

Q: You randomly selected one sample of 40 citizens of your city to see if they wanted to increase taxes…

A: See the solution

Q: 3. In your own words, thoroughly explain how a sampling distribution of a sample can be constructed

A: Sampling Distribution: Sampling distribution describes the manner in which a statistic or a function…

Q: Huck Finn is interested in the average length of catfish in the Mississippi river bordering St.…

A: In simple random sampling procedure, each of the population unit has same chance of being included…

Q: A substitute teacher wants to know how students in the class did on their last test. He asks only…

A: Step 1 The sample is 10 students sitting in the front row as the teacher asked only those 10…

Q: You want to gather some data about students at a local high school. Match the name of the sampling…

A: given

Q: What are the applications of Biostatistics, Give at least two examples of your own relevant to…

A: Statistics can be in any form such as numbers, summaries of patterns and probabilities.…

Q: if the population mean is 12.45 what is the mean of the sampling distribution of its means?

A: Given : Population mean(μ) =  12.45

Q: A researcher plan to conduct a survey about how capable the students are in conducting research. If…

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Use EXCEL…