(1) Convenience sampling
(2) Simple random sampling
(3) Stratified sampling
(4) Cluster sampling
(5) Stratified sampling
(6) Volunteer response sampling
The state Department of Public Instruction (DPI) would like to sample high school mathematics teachers to...
The Student Government Association (SGA) is interest in surveying the current study body on their opinions of food service on campus. Because the university cannot disclose a list of students due to privacy laws, the SGA asks the university to send a survey link to all current students on behalf of the SGA. Simple random Stratified random Cluster Two-stage random Convenience Purposive No Sampling What type of sampling is used in the following situation? A researcher is interested in interviewing...
After a population of 1,000 high school seniors is divided by sex and size of school attended, the random selection of a sample to 1. represent these proportions of the population is called a. systematic sampling b. matched-pair sampling c. stratified random sampling d. cluster sampling 2. A researcher wishes to survey student apinions on a proposed increase in activity fees at her university. She decides to select a sample for telephone interviewing by selecting every 20th name in the...
Suppose we want to estimate the average weight of children in a particular school district. The district contains 15 elementary schools, 10 middle schools, and 2 high schools. For each of the following approaches, select the best description of the sampling design, and identify whether the sampling scheme ensures that the probability of being included is necessarily the same for every student. Take a simple random sample of 5 schools in the district. For each school in the sample, list...
A researcher was studying teachers' uses of technology in instruction. She drew four samples of high school teachers, one each from teachers of mathematics, English, science and history. She made certain that all teacher participants in the study were teaching in their field of certification and that all had between five and ten years of experience in that subject area. Each teacher completed the Teach with Tech scale (Nerdy & Frump, 2008) a self-report instrument that measures the use of...
The governor of a state wanted to assess the public education system of the state. She instructed a group of researchers to create a test to assess the knowledge of every high school senior in the state. The researchers administered the tests and found that the average score was 34 points out of 100, with a standard deviation of 29 points. Complete paris (a) through (c) below. a. Identify the population and variable. Choose the correct population below. O A...
Everyone Loves Mrs. Noble Sharon Noble is in charge of the main office at Essex High School, a position she has held for nearly 30 years. She does not have a college degree, but that does not seem to hinder her work as “secretary” for the school. She is an extravert, and people say her jokes are corny, but she runs the office efficiently and well, getting along with teachers and students and dealing with the rules and procedures that...
I need help with Task 1 at the end. most of this is background information. Willowbrook School is a small private school that has retained your services as a systems analyst to assist in the development of a new information system for the school’s administrative needs. Background Willowbrook School is a small, private school in the Midwest United States. For the past 20 years, it has offered a curriculum for preschool through 6th grade. Five years ago it expanded to...
TEST 1: ANSWERS INTS EACH). This section takes around 5 minutes. Name Spring 2019 8) A researcher wants to determine whether female teachers give higher or lower grades, on average, then male teachers. She picks a random sample by picking a random sample of schools, in the schools picked, picking a random sample of departments, and in the departments picked, picking a random sample of teachers. What kind of sampling was performed? d) voluntary response e) cluster b) stratified Random...
5. Grouped frequency distribution tables and real limits of intervals Aa Aa A researcher wants to study the academic performance of small primary schools (defined as one classroom per grade) in her county. She decides to measure each school's academic performance by collecting data on the percentage of students performing at or above grade level The following table shows each school with the percentage of students performing at or above grade level Table 1 Academic Performance (Percentage of students performing...
STAT 200 Week 1 Homework Problems 1.1.4 To estimate the percentage of households in Connecticut which use fuel oil as a heating source, a researcher collects information from 1000 Connecticut households about what fuel is their heating source. State the individual, variable, population, sample, parameter, and statistic 1.1.8 The World Health Organization wishes to estimate the mean density of people per square kilometer, they collect data on 56 countries. State the individual, variable, population, sample, parameter, and statistic 1.2.4 You...