**Please how how to do by hand.   3) Stay-at-Home Parenting. In 16% of all homes with a stay-at-home parent, the father is the stay-at-home parent (Pew Research, June 5, 2014). An independent research firm has been charged with conducting a sample survey to obtain more current information. What sample size is needed if the research firm’s goal is to estimate the current proportion of homes with a stay-at-home parent in which the father is the stay-at-home parent with a margin of 0.03? Use a 95% confidence level. Repeat part (a) using a 99% confidence level.

Q: Since the patients agree to respond, is this considered a voluntary response sample? Justify your…

A: The objective of the question is to determine whether a sample where patients agree to respond can…

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

A: Z = p^ -E[p¯]σp¯~ N(0,1)

Q: Question Which of the following scenarios contain biased samples? Select all that apply. Select all…

A: In this question, concept of Biased Sampling is applied. Biased Sampling When the group chosen for a…

Q: Conduct a test of independence to determine whether health insurance coverage is independent of the…

A: The null and alternative hypotheses are as follows; Claim : Health insurance coverage is independent…

Q: Flying Home for the Holidays, On Time The dataset DecemberFlights contains the difference between…

A: From given  n1=1000x1=67n2=1000x2=160 so, p^1=x1n1=671000=0.067p^2=x2n2=1601000=0.16

Q: c) Is it safe to use the median to compare two populations?

A: Median is best measure of central tendency when data is skewed. Reason (it depends only on one or…

Q: A statistical program is recommended. You may need to use the appropriate technology to answer this…

A: Given data: Average monthly gas bill for last year Age Square footage Rooms 70.2 16 2537 6…

Q: Does the sample size ? affect the mean of all possible sample means? Explain your answer.

A: According to central limit theorem, for large sample (>30) or if the population follows normal…

Q: How many ways are there to rearrange the letters in the word STATISTICS?

A: We have given the word STATISTICS We have to find a number of ways are there to rearrange the…

Q: You may need to use the appropriate technology to answer this question. A magazine subscriber study…

A: The question is about categorical data analysis Given :   To find : a ) Test that the type of…

Q: d) Is the mean, median, or mode the best measurement of central tendency? Explain.

A: to find mean valuemean = sum of observations/ count of observationsmean = (102 + 100 + 115 + 100 +…

Q: Two sets of sample data, A and B, are given. Without doing any calculations, indicate in which set…

A: INTRODUCTION :  BOX PLOT TECHNIQUE   In the Box plot technique, the Five number summary is used…

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: Cybersecurity is a critical business issue that demands the attention of business and IT executives.…

A: Given The data is as follows: Sample proportion, p^=0.67

Q: What is the significance of Statistics in choosing country’s next leaders?

A: Statistics is a field of study which includes collecting, organizing, analyzing and interpreting the…

Q: A standardized exam consists of three parts: math, writing, and critical reading. Sample data…

A: (1)   Obtain the point estimate of the difference between the mean scores for the two tests.   The…

Q: Provide a scenario of your own in which a sample is not representative.

A: A representative sample can be defined as a sample taken from a population which represents all the…

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: d. Based upon a smaller sample of only 150 St. Paulites, what is the probability that the sample…

A: Given Information: Population proportion of St. Paulites who drink bottled water more than once a…

Q: Draw a pie chart of the distribution of College Major in your sample.

A: The director of human resources collected data on college majors and commuting time between home and…

Q: Consider the mean, median, and mode. Which is the best measure of central tendency? Why

A: Central tendency refers to the idea that there is one number that best summarizes the entire set of…

Q: Consider a simple poll that is measuring the proportion of citizens that hold a particular political…

A:

Q: Transaction accounts, which include checking, savings, and money market accounts, are the most…

A: The mean of the transaction account per household was $40200. The median value of the transaction…

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

A: Solution: 1. From the given information, p=0.35 and n=290.

Q: a bank analyst wants to ask customers who have a mortage with the bank about the customers…

A: If all the units in a sample has equal chance of being selected, then it is called simple random…

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

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

A:

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

A: Solution: Note: Hello! As you have posted more than 3 sub parts, we are answering the first 3…

Q: 7. Sample Reliability. Although Nielsen surveys only a few thousand households out of the millions…

A: We have to answer questions related to sampling.

Q: In your own words, distinguish between measures of association and tests of statistical…

A: The measures of association terms generally used for the correlation coefficient. The correlation…

Q: A statistical program is recommended. You may need to use the appropriate technology to answer this…

A: Given data: Average monthly gas bill Age Square footage Rooms 70.2 16 2537 6 81.33 2 3457 8…

Q: Explain the Representative Sample from a Population in Which the Variables Are Related?

A: The population is the area of interest for which, one want to inquire the characteristics or trend.…

Q: . When an accurate and complete list of the population is not available, a sampling will suffer…

A: We want to tell you, which one is the correct choice.

Q: Here is a sample data set. 369.6 422.7 481.1 541.3 545 386.9 519.1 460 388.3 364.1 373.9 370.2 414.6…

A: It is given that 54 samples.

Q: b. What is the level of significance? (Round your answer to 2 decimal places.) c. Compute the value…

A:

Q: A: 5, 4, 6, 3, 6, 7 B: 6, 5, 7, 6, 1, 8 Which data set has the greater sample standard deviation,…

A:

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…

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.