Identify the type of sampling technique used by the researcher in each of the following situations. 1. A researcher interviewed all top 10 Grade 11 students in each of 15 randomly selected private schools in Metro Manila. 2. A teacher asked her students to fall in line. He instructed one of them to select every 5th student on the line 3. A statistician selected a sample of n = 100 high school students from a private school with 2,500 students. He selected randomly the students from each grade level.

Q: What is the method of the sampling when the marketing manager for an electronics chain store wants…

A: stratified sampling Stratified sampling :- When we have Homogenous distinguishable sub-groups. Then…

Q: Fill in the missing data. (Round your p-value to 4 decimal places, mean values to 1 decimal place,…

A: let we make the table for given dataDays Worked Last Year by 23 employees Department days worked…

Q: As a project for his statistics class in Spring 2001, Ahmed was supposed to take a random sample of…

A: Given information: The sample size, n=30.

Q: The U.S. Census Bureau computed the proportion of U.S. residents who lived in each of the four…

A: Solution: Given information: k= 4  Categories  n= 80+129+209+118 = 536  total observation   α=0.05…

Q: Here are 6 celebrities with some of the highest net worths (in millions of dollars) in a recent…

A: Approach to solving the question:  Detailed explanation: Examples: Key references:

Q: What sampling method was used?

A: 100 students was required to estimate the mean achievement in research of graduatestudents. The…

Q: A telemarketer in Los Angeles uses a device that dials residential phones in the city at random. Of…

A: Note: Hi there! Thank you for posting the question. To avoid the plagiarism issue we have used the…

Q: The Fish and Game Department stocked a lake with fish in the following proportions: 30% catfish, 15%…

A: a)   The proportion of Catfish, Bass, Bluegill and Pike in the Lake are 30%, 15%, 40%, and 15%,…

Q: Suppose a random sample of 1398 Californians who own their own homes were surveyed. The table below…

A: Step 1: Add all: Democrat, Republican and Independent/other = 601 + 419 + 378 = 1398 (total)And if…

Q: Construct a 90% confidence interval for the true difference between the mean amounts of time spent…

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Q: Of the 300 students that I will send surveys to, how many between the ages of 18 and 24 should I…

A: her given there are total 1500 students in college  35% between the ages of 18 and 24,   that is…

Q: In a large high school, 37% of the teachers believe that five minutes is not enough time for…

A: 37% teacher and 89% students believes that 5 minutes is not enough Now : 28 teachers and 100…

Q: According to the Bureau of Labor Statistics, 15% of the U.S. workers were government employees. A…

A:

Q: A large company has 3000 employees. The management has installed coffee machines everywhere in the…

A: Given information: Level of satisfaction Level of education Total Low education High education…

Q: ose you inquire about their commuting distance. You calcula the sample mean commute distance.…

A: The sampling distribution of a statistic is known as the probability distribution of all the…

Q: Suppose Marcella wants to compare music listening time among college students on weekdays versus…

A: The t-test is one of the most use full statistical tests in statistical inference. Most of the small…

Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 1.…

A: 1. Observational study: If the individuals under the study are just observed and measured based on…

Q: B. Suppose that we use statistical software to select a random sample of size 3 from this…

A: Answer Given 66,54,69sample size [n] =3_____________________________83,100,66sample size [n] =3

Q: Jamu Sido Mampir Company has herbal medicine cottage branches in three locations. The company…

A: NoHerbal Hut 1Herbal Hut 2Herbal Hut…

Q: We want to learn about the country of origin, gender, NYC borough of residence, ethnicity, and age…

A: A sample is a subset of a population, whereas a population is a full set that represents every…

Q: Students in a statistics class at Penn State were asked, “About how many minutes do you typically…

A: 1) The assumptions necessary for performing the two-sample t-test, such that the results obtained…

Q: A student wishes to see if at her school the proportion of underclassmen who do not have have a job…

A: Given,n1=257 , x1=55n2=288  ,  x2=45p^1=x1n1p^1=55257=0.21401p^2=x2n2p^2=45288=0.15625pooled…

Q: The XYZ Corporation is interested in possible differences in days worked by salaried employees in…

A: applying one way ANOVA on above data:   Mean n Std. Dev Variances budgets 257.4 5 11.7388…

Q: grade divides graders into two groups icantly improves star taught using the new curriculum, while…

A: The number of groups is 2.

Q: A governmental agency computed the proportion of violent crimes in the United States in a particular…

A: Null and alternative hypotheses: Null hypothesis: The null hypothesis is a statement which indicates…

Q: Suppose an advocacy organization surveys 847 Canadians and 444 of them reported being born in…

A: Given that: Sample 1(Canadians): x1=444n1=847 Sample 2(U.S. Citizens): x2=16n2=119

Q: 3. A researcher wants to estimate the average academic performance in Mathematics of grade 10-…

A: We have given that  Sample size n =7 I want to find mean and variance.  Mean = sum of all…

Q: ve bi

A: It would be better if we enquire with all students, when the strength of class students is little.…

Q: An amusement park keeps track of the percentage of individuals with season passes according to age…

A: Introduction: The claim of the amusement park authorities regarding the proportions of visitors is…

Q: Here are 6 celebrities with some of the highest net worths (in millions of dollars) in a recent…

A: The range is the difference between the highest and lowest values in the dataset. In this case, the…

Q: Determine whether the sampling is dependent or independent. O A. This sampling is independent…

A:

Q: A Senior Housemaster wishes to investigate whether some residents in his Hall are Homosexuals and…

A: Given A Senior Housemaster wishes to investigate whether some residents in his Hall are Homosexuals…

Q: The following data consist of the present school enrollment of the Dr Vesse High School. A study on…

A: In Stratified random sampling, the population is divided into groups based on a characteristic.…

Q: St. John Hospital has five wards: A, B, C, D, and E. The numbers of patients in the wards are listed…

A: Simple random sampling is the most appropriate sampling method in selecting a random sample for the…

Q: A SAMPLE SIZE OF 36 WAS DRAWN AND ITS MEAN WAS FOUND TO BE 80. TEST WHETHER THIS SAMPLE COULD HAVE…

A:

Q: A dad has three children, one aged 12 years old, one aged 17 years old, and one aged 22 years old.…

A:

Q: 28. What is the sample mean of these 16 data points? 29. What is the probability that a randomly…

A:

Q: calculate the mean and ss for each of the following sample numbers 1,3,4,0

A:

Q: In a study with lower quartile 100, upper quartile 140 and median as 130 How many people can have…

A:

Q: Suppose you are the president of the student government. You wish to conduct a survey to determine…

A: The systematic sampling method is the method in which the sample point is selected at a regular…

Q: Students Given a $1 Bill O.A.0.659 Find the probability of randomly selecting a student who spent…

A: It is given asTotal number of students are= 27 + 13 + 14 + 34 = 88