Alcohol abuse. Growing concern about binge drinking among college students has prompted one large state uni-versity to conduct a survey to assess the size of the problem on its campus. The university plans to randomly select stu-dents and ask how many have been drunk during the past week. If the school hopes to estimate the true proportionamong all its students with 90% confidence and a margin oferror of {4%, how many students must be surveyed?

Q: you have been assigned the task of conducting a survey to study prescription medication purchases of…

A: Given: Confidence Level = 0.95

Q: Present a contingency table and analyze using the proper statistics. Discuss your findings.

A: The two categorical variables given are promotion and retired status,Given that,No. of employees…

Q: I can't seem to figure out D & E

A:

Q: What is the difference between sample means and a distribution of sample proportions?

A: Given : Sample mean : Average of sample observations is known as "sample mean". Sample proportion :…

Q: In statistical inference, measurements are made on a sample or population?

A: To identify the correct answer to the question.

Q: 4. Hypothesis: A majority of organizations will have job analyses on file for all of their jobs.…

A: Given, The sample proportion is, The null and alternative hypothesis is:

Q: Discuss the characteristics of the basic descriptive statistics: sample size, mean, and standard…

A: Characteristics of mean: Mean represents all the values of the data. Outliers of the data affects…

Q: Mention some of the factors that affect choosing a sample over a population when conducting a…

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

Q: Gallup surveyed adult Americans about their consumer debt. They Reported that 47% of millennials and…

A: Given information: Proportion of millennials who did not pay off their credit cards p1=0.47…

Q: Although, in practice, sample data are generally analyzed in inferential studies, what is the…

A: If the data consists of different methods for estimating the sample and drawing the inferences about…

Q: which is the best sampling method for qualitative research, with a target population of 30?

A: Introduction There are 2 types of sampling method: Probability sampling method Non-probability…

Q: A restaurant chain would like to measure the proportion of customers who are generally satisfied…

A: During a 1-week period, 147 customers were surveyed and 93% of them reported as being either…

Q: What is the difference between using a population or using a sample to carry out a statistical study

A: A statistical population is a collection of individuals from which to draw statistical inferences,…

Q: Does the one observed sample mean qualify as a common or a rare outcome? Explain.

A: Sample mean qualify as a common outcome if the difference between the sample mean and the actual or…

Q: 25.) What is the difference between the value of a sample statistic and the corresponding population…

A: We have given that the information about to the sample statistic and corresponding population…

Q: Identify two statistical methods other than a census for obtaining information.

A:

Q: Online gamers are divided into different age groups. A random sample from each group is selected and…

A: From the given information we want to know method of sampling.

Q: 1)The records for all trains scheduled to depart from the opera house train station last year showed…

A: In given questionConcept Used: Population: Population is a characteristic of the specified area or…

Q: what is the sampling technique for secondary survey data

A: Sampling helps a lot in research. It is one among the foremost important factors which…

Q: Although Nielsen Media research determined the precise proportion of all Americans watching the…

A: Given : Nielsen Media research determined the precise proportion of all Americans watching the super…

Q: If we would like to decrease the margin of error without changing the sample size, what must happen?

A: We have to find what to do to decrease margin of error.

Q: Thirty-three percent of all Americans drink bottled water more than once a week (Natural resources…

A: Note: Hi there! Thank you for posting the question. Unfortunately in the sub-part(b), some required…

Q: The National Technology Readiness Survey sponsored by the Smith School of Business at the University…

A: Denote p2009 and p2004 as the true population proportions of spam emails deleted by Americans in…

Q: A survey is to be conducted for young adults between the ages of 22-29 to determine their level of…

A: Given information: Given that a survey is to be conducted for young adults between the ages of 22 –…

Q: In the Star and Tribune newspaper, there is an article entitled “1 in 8 school buses fail tests."…

A: Given information: Sample of 200 buses and find that 20 buses fail the safety inspection. Let us…

Q: A researcher is conducting an investigation regarding the factors affecting the performance of 200…

A: Given Information: Number of teachers in the province of Cavite is 200 Margin of error is 3% i.e.,…

Q: What conclusion may be drawn witha5% significance

A: Significance level is the chance of rejecting the null hypothesis when it is true. It is denoted by…

Q: A random sample of 318 students from a large college were asked if they are planning to visit family…

A: Given 99% CI for population proportion of all students at this college is (0.78,0.98)

Q: To assess the quality of recent research, which of the following question can be asked?

A: Need to check the quality of the research. Time and money are the factors which are important in…

Q: Why is it important to report both a measure of central tendency and variability to describe a set…

A: Basic idea about measures of central tendency and dispersion Measure of Central tendency is the…

Q: The California State University (CSU) system consists  of 23 campuses, from San Diego State in the…

A: Given Information: From San Diego State in the south to Humboldt State close to the Oregon border,…

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.