Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of Pennsylvania high school students who have a high school diploma is greater than 83%.  Suppose a representative sample of 225 Pennsylvanians is taken and each is asked if they have earned a high school diploma. Suppose 198 of the 225 Pennsylvanians surveyed were found to have earned a high school diploma.  What is the standardized sample proportion of Pennsylvanians who have a high school diploma?

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: What is the class width? O A. the difference between the largest frequency and the smallest…

A: The “class width” is the distance between the lower limits of consecutive classes.

Q: Select the statement below that gives an example of a statistic? A. According to census data,…

A: Statistics : The discipline of statistics is concerned with data gathering, organization, analysis,…

Q: ording to the Bureau of Labor Statistics (BLS), the median weekly earnings for men in the sales and…

A: Given data :  $627, $617, $732, $735, $639, $569, $494, $566, $648, $767, $683, $604, $727, $896,…

Q: If a sample of 23 swimmers is taken from a population of 74 swimmers, the population mean, u, is the…

A: We have given that a sample of 23 swimmers is taken from a population of 74 swimmers.

Q: a. What is the mearn the original samples have n = 4 scores? b. What is the mean for the combined…

A: From provided information; one sample has a mean M1= 8 and second sample has mean M2=16, two samples…

Q: Extroverted Introverted Clergy 62 45 M.D. 68 95 Lawyer 56 81

A:

Q: to 100 3. Eating Out A restaurant association says the typical household in the United States spends…

A: Given that  Let X denotes the a restaurant association that typical household in the United States…

Q: What is the Population Variance for the following numbers: 63, 4, 7, 73, 75, 78, 19, 40, 18

A:

Q: We would like to know: "What percentage of college students read the college newspaper every day?"…

A: There are two ways to draw conclusion about a population.

Q: Consider a sample with data values of 26, 24, 21, 16, 31, 34, 29, and 24. Compute the 20th, 25th,…

A: From the question, it is required to calculate 20th ,25th ,65th and 75th percentiles with help of…

Q: Consider a sample with data values of 26, 24, 19, 14, 31, 35, 29, and 24. Compute the 20th, 25th,…

A: Percentile:It is a measure that indicates the value of percentile below which the given percentage…

Q: John Calipari, head basketball coach for the national champion University of Kentucky Wildcats, is…

A: To point estimate of the population mean is the sample mean.

Q: A study of an association between which ear is used for cell phone calls and whether the subject is…

A:

Q: What is the most important thing to remember when choosing a sample? a. Samples should be chosen at…

A: We have given that the statement about to the sample. It is a part of population.

Q: 3. A Gallup poll surveys American beliefs about big business. The Gallup poll reports that 26% of…

A: Population proportion, p=0.26 Sample size, n=20

Q: A group of randomly selected Gamin Middle School athletes were asked to pick their favorite sport.…

A: Given data: The total numbers of athletes are n=414. The numbers of athletes who survey and likes…

Q: I want a 99% confidence within 2% for the true proportion of bald people in the US.  How many people…

A: Given that, Margin of error E=0.02 Confidence level is 99% Critical value: The two tailed z critical…

Q: A poll in Canada states that 67% of all respondents favor imposing the death penalty. The poll was…

A: Given that - A poll in Canada states that 67% of all respondents favor imposing the death penalty.…

Q: What is the median for the population of scores shown in the frequency distribution table? 3. O 15 O…

A: Solution: x(1) Frequency (f)(2) cf(5) 1 2 2 2 4 6 3 3 9 4 2 11 5 1 12 --- --- ---…

Q: Sierra College students enrolled in an online Elementary Statistics course were asked to participate…

A: Given:   Desktop computer 31 laptop computer 113 Smart phone 6 Tablet 3 Total 153

Q: Reach out to a family member, older friend, or another professor and ask them whether they feel that…

A: Larger samples tend to be more accurate than smaller samples if the samples are chosen randomly. The…

Q: YouTube is a popular destination on the internet; let's look at how YouTube usage is distributed…

A: Event Y denote that selected internet user has to use internet and Ai ,i=1,2,and 3 denote that…

Q: 1. The following scores of 7 statistics students were recorded 87, 85, 80, 78, 83, 86, 90 Find:…

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: and 0.85? 6.5 The production employees at a garment factory have been surveyed several times to…

A: By Using the margin of error to calculate the required sample size

Q: The recidivism rate for convicted sex offenders is 16%. A warden suspects that this percent is…

A: Given : x = 72 n = 378 p^ = xn p^ = 72378 p^ = 0.191 α = 0.1 a) For this study, we should use…

Q: What is meant by the statement that the sample mean has a sampling distribution?

A: The parameters that describe a population, like mean, variance, and standard deviation, are already…

Q: For the following sample data, find SS: 2, 3, 6, 5

A: The mean or average of a sample data is computed by dividing the sum of square by the total number…

Q: Use these results from a USA Today survey in which 510 people choseto respond to this question that…

A:

Q: Let's examine the mean of the numbers 1, 2, 3, 4, 5, 6, 7, and 8 by drawing samples from these…

A:

Q: a. The null and alternative hypotheses would be: 5: Select an answer ✓ Select an answer 1: Select an…

A: Given that  Sample sizes n1=619, n2=760 Favorable cases x1=402 , x2=480 NOTE:- According to bartleby…

Q: 40 blood groups ,The answer was recorded as shown below: OOABAOAAAOBOBOOAOOAAAA AB A B A A O O A O O…

A: 1. It is grouped data and the type of the data  is discrete frequency distribution. The discrete…

Q: a. Complete the table by filling in the expected frequencies. Round to the nearest whole number:…

A: Test is that whether the distribution of blood type is different for millionaires.

Q: We would like to determine the average height of the overall student body at Michigan State…

A: Yes, It is necessary to take a sample from the overall student body.

Q: John Calipari, head basketball coach for the 2012 national champion University of Kentucky Wildcats,…

A: a. The mean annual salary for head basketball coaches at colleges and universities playing NCAA…

Q: What is the margin of error associated with a survey of 1034 college students if we want to be 97%…

A:

Q: Hypertension is when an adult is classified as having high blood pressure (above 130 systolic blood…

A: Answer  X =1219 n =3532

Q: if the 90% Ci for the population mean is (-4.58, 6.54) what is the sample mean O a. can't be found O…

A: According to the given information, we have 90% C.I. for the population mean = (-4.58, 6.54)

Q: size n = 2) is the number of possibilities on the first roll (8) all of these possible samples, the…

A: The true mean of the number 1,2,3,4,5,6,7,8 is calculated as  μ=1+2+3+4+5+6+7+88  =368=4.5 x x2…

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.