you want to know how how arizonia workers age 16 or older travel to work. To estimate the percentage of people who use the different modes of travel, you take a sample containing 500 arizonia workers age 16 and older.  how do I find the individual, variable, population, sample, perameter, and statistic?

Q: ow can I change it to a representative sample

A: In convenience sampling, the individual samples are easily determined and do not depend on…

Q: You want to conduct a survey to determine the proportion of people who favor a proposed tax policy.…

A: From the provided information, We want to conduct a survey to determine the proportion of people who…

Q: What is the difference between a sample and a census

A: Sample In statistics and quantitative research methodology, a sample is a set of individuals or…

Q: A reviewer decides to interview viewers to see how they would rate a particular movie. The following…

A: Here given data about movie ratings  And rating are not number  ,but like…

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

A:

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

A: Given that Confidence level = 0.95 Margin of error E = 1.5 percentage points = 0.015 Estimate of…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Q2. Define population in terms of statistics and describe why are samples needed and how are they…

A: It is asked to define the population in terms of statistics and to describe why samples needed and…

Q: How is a sample related to a​ population?

A: Population is set of all elements about which we want to know. While the sample is a part of such…

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

A: Formula for the sample size needed to estimate a population proportion is

Q: You wanted to see if there are differences in the sleeping patterns between males and females when…

A: An observational study is a method in which you simply observe the responder without providing them…

Q: What do you think is the reason, why researchers prefer to get a sample from the total population…

A: A researcher can carefully design the study which to a large extent try to prevent the biases and…

Q: Explains how population and sample differ?

A: Introduction: Population of interest: The population of interest includes all the individuals of…

Q: What is the test statistics? From the problem in the picture

A: Given - n1=20, x1=8.2, s1=5.9n2=30, x2=5.6, s2=5.7

Q: how does the sample and population relate?

A: Sample and population both are different items, but both are related with each other. Population is…

Q: We take the weights of five watermelons and get 12, 8, 14, 16, 17, and 11 pounds. What should we use…

A:

Q: What is the name of this type of sample?

A: In the method of convenience sampling, the individual samples are easily determined and do not…

Q: a) Explain how you can select a systematic sample of size 7 from a population of size 60.

A: Sampling designs: Simple random sampling: In simple random sampling, all the units in the population…

Q: How many different letter arrangements can be made from the letters in the word of STATISTICS?

A:

Q: What is the size of the sample: What is the size of the population:

A: HERE GIVEN INFORMATION ABOUT POLITICAL SCIENTIST SURVEY. SO DERIVING VALUE OF SAMPLE SIZE AND…

Q: 3. Explain why the sampling distribution of the sample proportion is assumed to be Normal. Show your…

A:

Q: In an Adecco staffing survey of 1000, adults in the US, 140 said the salary was the most important…

A: From the provided information, The sample size is 1000 which is sufficiently large and out of which…

Q: Explain why the sampling distribution of the sample proj your steps and write down any assumptions…

A: The sampling distribution is the probability distribution of the statistics of the sample obtained…

Q: Martha wanted to find out the perceptions of Grade 12 learners in Homeschooling. She randomly…

A: Hey there! Thank you for posting the question. Since there are multiple questions posted, we will…

Q: (a) One of Statistics assignment, students are required to do a survey to practice for data…

A: Data are the basic material needed for effective statistical inference and decision-making on a…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Consider the sample data: 125, 100, 112, 127, 112, 105. What is the sample mean of the data?

A: Given data set: 125, 100, 112, 127, 112, 105

Q: Does the sample size have an effect on the mean of all possible sample means? Explain your answer.

A:

Q: Is the sample mean always the most frequently occurring value? If so, explain why. If not, give an…

A: No, Sample Mean is not the most frequent Occuring Value.   Mean= Sum of Observations / No.of…

Q: Imagine a researcher wants to determine whether the participants in his sample are skewed toward…

A: Introduction: When the mean of one group is to be compared to a fixed value, or the means of two…

Q: Descriptive statistics is another way of drawing a conclusion which helps us determine whether the…

A: Descriptive statistics: Descriptive statistics is a part of statistics where the data is summarize…

Q: What value should we expect for our sample proportion?

A: We have to answer question based on proportion.

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: Briefly explain how theory development might impact the selection of a sample.

A: Find: The theory development might impact the selection of a sample.

Q: What statistic would you use if you wanted to see if there was a difference between three ethnic…

A: Here we can assume that the math achievement is somehow measured using a quantitative data be it…

Q: Consider the sample data: 110, 115, 112, 127, 112, 105. What is the sample median of the data?

A: Given data set: 110, 115, 112, 127, 112, 105

Q: What is the difference between Sample and Population? Provide an example of each.

A: Population -whole number of individuals Sample - a part of population taken randomly

Q: Explain about if larger the sample size, what does this reflects.

A:

Q: If we took three different samples of college students (one from California, one from Arizona, and…

A: The samples are derived of 500 students from three cities, city C, city AR and city AL.

Q: Here is an illustration of a population survey. Identify what survey sampling method was used and…

A: There are in general 4 survey sampling methods.  Simple Random Sampling: Each member of the sample…

Q: How many different arrangements can be formed from the word STATISTICS?

A:

Q: describe why it is important for the sample in your study to be as representative as the source

A: Representative samples are important as they ensure that all relevant types of people are included…

Q: Several years ago, two companies merged. One of the concerns after the merger was the increasing…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: If you calculate the mean for a sample, this would be considered a sample

A: Mean is a part of measures of central tendency. Calculating mean of the sample also means…

Q: Consider the sample data: 125, 115, 112, 127, 112, 105. What is the sample mean of the data?

A: Given data is ; sample data : 125 , 115 , 112 , 127 , 112 , 105 sample size ( n ) = 6 Definition of…

Q: Explain sample?

A: To Explain the sample??

Q: The PRC wants to assess the difference in ratings of five different engineering board examinations.…

A: This is an ANOVA test for a single factor

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: Explain what it means that a sample must be representative of the population.

A: It is an important part of statistics. It is widely used.

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.