A foundation conducted a survey of physicians' attitude about health care reform, calling the report "a survey of 100,000 physicians." The survey was sent to 100,000 randomly selected physicians practicing in the United States: 38,000 via post-office mail and 62,000 via email. A total of 2,474 completed surveys were received. What is the rate of nonresponse for this survey? (Round your answer to two decimal places.)

Q: Calculate the 55th percentile of the data shown x 2.8 3.5 4.3 7.3 9.2 19.1

A: Number of observation (n) = 6 55th percentile (P55) = Pk

Q: d. Your doctor tells you you are in the 30th percentile for blood pressure among US adults. What is…

A: We have to find score for given percentile.

Q: In a study, the data you collect is wage per hour. What is the level of measurement?

A: We know that Nominal level of measurement represents categories. Ordinal level of measurement…

Q: According to a yahoo!finance article dated September 7, 2021, the top vehicles for resale value had…

A: Given data is 60,62,64,65,66,66,67,70sample size(n)=8

Q: A survey item administered at the end of a training program asked participants their opinion about…

A: The given contingency table is, The formula for calculating the expected count is, Calculation of…

Q: A poll of 1,750 people suggested that 56% of respondents regularly watch tv shows through streaming.…

A: Given,n=1750p=0.56q=1-0.56=0.44

Q: The following table shows data about heart attack deaths in a certain town over one year.…

A:

Q: If you are told only that you scored in the 80th percentile, do you know from that description…

A: p-th percentile means that there are p% of the values are less than that value. Here, you scored in…

Q: The 70th percentile of the data presented in the table above is

A:

Q: 104 concert-goers at the Glass House in Pomona, California were asked if they know how to play an…

A: Here it is given that- Number of concert goers  = 104 Number of concert goers who can play an…

Q: Calculate the median of the data shown, to two decimal places

A: Median is the value which divides tye whole data in two equal halves.

Q: A random sample of 324 residents of a community revealed that 30% were very satisfied withthe…

A: Given that, Critical values: By using the standard normal table of Z, the critical value for two…

Q: A September, 2014, survey indicated that 53% of U.S. adults aged 18–29 used the social media…

A: Let total number of adults of U.S., aged 18-29, be x.   Given: Adult used instagram=53% of x=2Adult…

Q: What percentage of scores would be above 567?

A:

Q: What proportion of smokers in the sample died from heat disease? Round your answer to four decimal…

A: Given: Health data given for different categories. To calculate: Proportion of people who died from…

Q: A survey conducted among 40 people to find out the number of times each of them eats in a fast food…

A: Class Frequency 19 - 21 1 16 - 18 2 13 - 15 3 10 - 12 4 7 - 9 6 4 - 6 9 1 - 3 15…

Q: A local anime fan club surveyed its members regarding their viewing habits last weekend, and the…

A:

Q: The 12th percentile is (Round to two decimal plac

A: X~ N(μ=46 , σ= 7) then Z=X-μσ=X-467 ~N(0,1) Let P12 be the 12th percentile and is defined as P(X ≤…

Q: Consider a survey in which 1000 people are asked “How often do you go to the dentist?”  The variable…

A: Given: Number of people that have been involved in the study = 1000

Q: A sample of college students was asked how much they spent monthly on coffeecoffee. Approximate the…

A: The following table shows the calculation of mean cost spent on coffee,

Q: In a random survey of 1500 adults in California and 1000 adults in Oregon, you found that 228…

A: Given that

Q: Is the result consistent with the 31% rate that is reported by the candy maker?

A: Null Hypothesis: H0: The proportion of red candies is equal to 31% Alternative Hypothesis: H1: The…

Q: In research about the population of a county with 100,000 inhabitants, a sample of 3000 households…

A: According to the provided data, a total of 3000 households were contacted to participate in the…

Q: What is the approximate percentage of students who scored between 29 and 71 on the test? Round to…

A:

Q: For a sample of 12 offenders convicted of weapons violations, the length of prison sentence in…

A: Solution: Let X be the length of prison sentence in months. The given data is 6, 6, 2, 12, 36, 48,…

Q: A community has a population of 76,000. A total of 3,650 deaths were reported during the past year.…

A: Given problem is : A community has a population of 76,000. A total of 3,650 deaths were reported…

Q: On a placement examination, Rick scored lower than 1228 of the 12,730 students who took the exam.…

A:

Q: A rental car company purchased a new Toyota Camry for $35,000. The company determined this asset…

A: NOTE: Refresh your page if you can't see any equations. . The company determined this asset should…

Q: Suppose that in a survey of 1,000 U.S. residents, 721 residents believed that the amount of violent…

A: From the provided information, Number of residents = 1000 721 residents believed that the amount of…

Q: For a sample of 12 offenders convicted of weapons violations, the length of prison sentence in…

A: to find mean valuemean = sum of observations/ count of observationsmean = (6 + 6 + 2 + 12 + 36 + 48…

Q: According to Deloitte, through January 25,2006, the majority of companies reporting profits had…

A:

Q: An entertainment company surveyed 360 elementary school children and found that 153 of them were…

A:

Q: The 14th percentile is (Round to two decimal places as needed.)

A: Given that mean μ = 41standard deviation σ = 9we need to calculate P (X < x) = 0.14

Q: A Pew poll taken in 2010 surveyed 830 people aged 18-29 and found that 166 of them had one or more…

A: State the hypotheses.

Q: Can smoking negatively affect one's ability to become pregnant? A study collected data on 654 women…

A: Given,   Smoker Non-smoker Total Pregnant 27 195 222 Not pregnant 100…

Q: Can smoking negatively affect one's ability to become pregnant? A study collected data on 654 women…

A: Given Total collected data 654

Q: A study is to be conducted in a hospital to determine the attitudes of nurses toward various…

A:

Q: For a survey based on 1,900 adults, what is the conservative margin of error as a proportion? (Round…

A: MOE

Q: Estimate the mean of the number of points deducted from each student on an economics test given in…

A: Value Interval Frequency (f) Midpoint (x) 0-3 12 1.5 18 4-7 20 5.5 110 8-11 8 9.5 76…

Q: In a recent survey, a group of people were asked if they were happy or unhappy with the state of the…

A: Given data:   Happy Unhappy Total Republican 152 98 250 Democrat 104 146 250 Total 256 244…

Q: Can smoking negatively affect one's ability to become pregnant? A study collected data on 654 women…

A: Obtain the proportion of women that were not pregnant were also smokers. The proportion of women…

Q: A study in 2014 indicated that 19% of American households have a landline telephone that they do not…

A: Binomial distribution: A discrete r.v. X taking values 0,1,2,3, …., n is said to follow a binomial…

Q: Twenty college students took a practice GRE test at the start and end of a home preparation course.…

A: The Student's t-test for paired observations is used to compare the means of two related…

Q: Can smoking negatively affect one's ability to become pregnant? A study collected data on 654 women…

A: Given Total number of women

Q: The trunk diameter, in centimeters,  of a certain variety of pine tree is represented by X~N(150,…

A: Solution: Let X be the trunk diameter in centimeters of a certain variety of pine trees. From the…

Q: A recent survey found that in a particular city of all poor children born in 1980, 11,500 enrolled…

A: Scaling of data:The scaling of data, or in other words, normalization of data is a mathematical…

Q: On a recent Washington to London flight with 300 passengers, it was found that 100 passengers were…

A:

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A:

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.