Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every seventh customer entering a shopping mall is asked to name his or her favorite store.
Q: Identify the population and sample. In a random sample of Hartnell students, 45 said they…
A:
Q: Identify an example of a population that you would expect to be normally distributed. Explain why…
A: It is needed to define a data set that follow normal distribution.
Q: n a class of 25pupil's their are 8individual who played in the hockey team.what percentage of class…
A: Given : Total no. of individual in a class (N) = 25 No. of individual who played in the hockey team…
Q: Determine whether you would take a census or use a sampling process to find the average age of the…
A: A survey, which tries to include all of the population units in the sample, is defined as census.
Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased 9.…
A: 15 households are selected from the Houston area. This is the example of cluster sampling .
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: The owner of a small manufacturing plant employs six people. As part of their personnel file, she…
A: The given data set is, 55, 31, 67, 25, 52, 46 The value of sample mean is,
Q: Identify which type of sampling is used. In an effort to quickly generate a sample, a pollster…
A: Sampling methods: Simple random sampling: In simple random sampling, each unit in the population…
Q: A survey was conducted in order to find out how many Abu Dhabi residents visit Dubai Shopping…
A: Population is a complete set of elements for which the study to be required to conduct. The subset…
Q: The Human resource team is surveying employee satisfaction. Among the stores it has around the…
A: cluster sampling and how the human resource team's approach to surveying employee satisfaction using…
Q: A university instructor created a website for her Organic Chemistry course. The students in her…
A: Given,
Q: Determine whether the data set is a population or a sample. Explain your reasoning. The number of…
A: We have given that The number of guests in each room of a hotel
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: Find the median of the following number of minutes randomly selected customers waited in line at a…
A: Arrange the data values in the ascending order. 16, 20, 23, 24, 27, 34, 40, 42, 45. Here, n = 9…
Q: Find the variance of the set of sample data: 55,53,76,52,91,98
A:
Q: The histogram below gives the length of service of members of the Department of Chemistry at a…
A: Given:
Q: Q1 for data set: 41, 49, 55, 82, 84, 85, 93, 103, 113, 121, 126, 127, 136, 136, 155, 166, 169,…
A: The first or lower quartile (Q1) is a value below which 25% of the observations lies and above which…
Q: Determine whether the data set is a population or a sample. Explain your reasoning. The number of…
A: Given data The number of guests in each room of a hotel
Q: Warren tosses 5 coins. Write down the sample space where H = head and T = tail. Ex: HHHTH
A:
Q: The scores of the sample of 11 senior high school students were recorded as follows: 70, 83, 74, 75,…
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Q: Order the steps so that a sample can be selected using a simple random sampling. Step a Conduct the…
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Q: For the end of the semester, student evaluations. 6 out of the 39 students in a class completed the…
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Q: Identify the population and sample. In a random sample of California residents 78 said they had…
A:
Q: Identify the population and sample. In a random sample of Salinas residents, 137 said they would…
A: Population: The population in a statistical study is the entire group of individuals about which we…
Q: A survey among Harvard students was conducted. It is about their starting position when they sleep…
A: Do the collected data represent a sample or population? Explain your answer.
Q: Suppose automobile insurance companies gave annual premiums for top-rated companies in several…
A: Given boxplot:
Q: Henry conducts a survey at his middle school to determine the students' favorite after-school…
A: There are four main types of probability sample. Simple random sample: In this, every member of the…
Q: Identify which of these types of sampling is used: random, systematic, convenience, stratified,…
A: Given : To determine her breathing rate, Britney divides up her day into three parts: morning,…
Q: A person collects the gas prices at 25 gas stations in Phoenix, AZ. State the population and sample.
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Q: Martha Quinn is interested in the proportion of fast to slow songs she will play today. She takes…
A: In this method of selection, each song have equal probability of getting selected and the selection…
Q: Gender Yes Girls 537 328 Вoys 532 234 Conduct a test of hypothesis to determine if the two…
A: Given that the total sample of size N=1096 teenage surveyed. The data about the teenagers that uses…
Q: Find the vAriance of the sample data: 191, 215, 76, 262, 93, 163, 162, 268
A: Measure of dispersion measures the spread of the data. Standard deviation indicates how much the…
Q: Determine whether the sample is biased or unbiased
A: Given a situation, we need to find whether it is biased or unbiased.
Q: a flute instructor examined student progress
A:
Q: Identify which type of sampling is used. Every 5th student on the roster is selected for a sample
A:
Q: What percent of students earned an "A" grade of 90% or higher? TEST SCORES:…
A: Solution: The given data is 50, 60, 61, 63, 66, 67, 73, 82, 89 and 92. Total number of scores is 10.
Q: Plot the data below using the stem and leaf method. a) 320,332,339,343,345,348,351,352,364,376
A: We need to plot the given data using stem and leaf method The solution to the given question is…
Q: The instructor takes her sample by gathering data on five randomly selected students from each Lake…
A: One of the types of probability sampling is called simple random sampling, or SRS, in which every…
Q: estimate the sample size for a population of 750 people.
A: To estimate the sample size the required calculation can be defined by the formula Slovin's…
Q: Int the following table, the median value would be: 1 2 3 4 35 1579 2468 56
A: convert stem-leaf plot to raw data, 13, 15, 21, 25, 27, 29, 32, 34, 36, 38, 45, 46 sample size,…
Q: Take 40 numbers randomly and find its i. P75 ii. Median
A: Let 40 numbers be - 12 45 2 56 90 76 12 45 21 47 90 80 34 67 19 2…
Q: Find an article of your choice which uses proportions, and copy and paste the address of that…
A: The objective of the question is to understand the concept of sample proportions and how they are…
Q: For the survey method to be valid, a representative sample of peoplemust be polled. T or F?
A: The survey methodology essentially involves the study of individuals (or a specified group of finite…
Q: The following table represents the survey conducted in a school. Male female Chicken fried steak…
A:
Q: 3, 2355, 4361, 5346, 4935, 3711, 2775, 2734, 2286, 3033, 4457, 1421, 4436, 4596,
A: 2012 2014 3166 3072 2210 1989 3784 3794 2472 2689 3157 3211 4046 3722 4536 4385 4084…
Q: What percentage of the blocks are red?
A:
Q: Find the weighted mean of four test results, 65, 89, 105 and 101, where the first test counts 22%,…
A: Given: x weight 65 22% 89 32% 105 17% 101 29%
Classify each sample as random, systematic, stratified, or cluster and explain your answer.
Every seventh customer entering a shopping mall is asked to name his or her favorite store.
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- Marvel movies - Kylie is a huge fan of Marvel movies. She finds an online poll that asks, "What is the best movie of the Marvel Cinematic Universe?" and saves the data. For a class project she wants to determine if the distribution of her classmates' favorite Marvel movies is different from the one published in the online poll. She surveys the 215 students in her statistics class. The table below contains the percentages reported by the online poll and the observed counts from her classmates. Report all calculated answers to 4 decimal places. Poll Observed Movie Percentage Count Captain America: The Winter Soldier 18.1% 34 Guardians of the Galaxy 14% 34 The Avengers 13.9% 32 Captain America: Civil War 11.4% 24 Iron Man 7.5% 20 Doctor Strange 3.7% 10 Other Marvel movie 31.4% 61The table below shows the grades of the 20 students of a martial arts class. There are three grades: satisfactory(S), unsatisfactory(U), and incomplete(I). Question: Create a frequency table. You MUST include the “total” row and show the column sum when appropriate. Plus, you MUST include five columns with these headings: grade, f, %, c.f, and c.%. Note that all percentages MUST be with ONE decimal digit.About 5% of the population own a Playstation. 400 people are randomly selected.Find the mean for the number of people with a Playstation in groups of 400.
- Identify the sample chosen for the study. The number of times 13 out of 22 students on your floor order take-out in a week. Answer O All students who order take-out in a week. O The 13 students on your floor. O The 22 students on your floor.In provincial-level monitoring in farms, will you do random sampling, representative sampling, etc. How many samples do you think will be enough for each level. What criteria will you use for selection. How will you conduct the sampling and monitoring.Hi, please find the sample for each random number. choosing an odd number from 1 to 11 at random.
- A math teacher asks each student how much time they spent studying for their last math test. She then checks each student’s overall mark. Is this case an experimental study or an observational study? 1.experimental study 2.observational studyFind the median of this set of numbers: 7, 6, 19, 12, 16,,19, 19, 6 16 14 Music off Zoom in hp -> backs esc & %23 $ 7 3 1 t * 00 15Find the sample mean for the data set, 25,66,89,35,65,30,65,48,98,47
- A store manager kept track of the number of newspapers sold each week over an 8-week period. The results were as follows: 0, 88, 71, 201, 113, 269, 248, 250. Find the 5 number summary for the data. Is the data discrete or continious?Determine whether the statement is true or false. If it is false, rewrite it as a true statement. A population is the collection of some outcomes, responses, measurements, or counts that are of interest. Choose the correct answer below. A. True. B. False. A sample is the collection of all outcomes, responses, measurements, or counts that are of interest. C. False. A population is the collection of all outcomes, responses, measurements, or counts that are of interest.A researcher is interested to explore which major is more attractive to students studying in Education college. I suggest to use . to present the distribution of students according to the departments of the college. Select one: O A. Histogram Chart B. Pareto Chart Bar D. Pie Chart