A random survey of enrollment at 20 community colleges across the United States yielded the following figures :  21,876 ; 2,214; 9,414; 7,681; 3,200; 17,500; 9,200; 7,380; 18,314; 6,557; 13,713; 17,768; 7,493; 2,771; 2,861; 1,263; 7,285; 28,165; 5,080; 11,742  (a) assume the underlying population is normal. i. x = ii. sx=  iii. n=  iv. n - 1=    contruct a 98% confidence interval for the population mean enrollment at community colleges in the United States.  enter answer in interval notation. round your answer to the nearest integer

Q: In a sample of 20 kaing of mangoes, each containing 50 mangoes, the vendor found that 5, 8, 12, 3,…

A: Note: Since you have posted questions with multiple subparts we will solve the first three questions…

Q: By definition, a finite population: Select one: A. consists of an endless number of sampling…

A: B. Consists a countable number of sampling units.

Q: A random serving of enrollment at 20 community colleges across the United States yielded the…

A: We only have to find three subparts according to Bartleby guildlines and rest can be reposted.... We…

Q: Each March, the Current Population Survey (CPS) is expanded to gather a wider variety of information…

A: Simple random sampling is the process of selecting sample from the population in such a way that…

Q: Salaries Starting teacher salaries for upper secondary education in selected states are listed…

A:

Q: The estimate is: _________ give or take___________ Fill in the blanks with the given options

A: Given that,

Q: The number of movies ordered per month on a paid subscription throughout the year are as follows:…

A: NOTE: As per our guidelines, I have solved three parts. If you want the answer of other, kindly post…

Q: A) Sample 2) A county planner studying health insurance costs determined that the average (mean) age…

A:

Q: A survey of enrollment at 35 community colleges across the United States yielded the following…

A:

Q: Let μ₁ be the mean test scores for those who took the preparation course and let µ₂ be the mean test…

A: Answer:- Let µ1 be the mean test scores for those who took the preparation course and let µ2 be the…

Q: Randomly selected households from each barangay in Marikina City were surveyed to know the number of…

A: Sampling: The method of drawing samples from the population. It is beneficial over studying the…

Q: Ten countries were randomly selected from the list of 129 countries in the Country. The countries…

A: Given Information :  Ten countries were randomly selected from the list of 129 countries in the…

Q: Forty-seven fast-food restaurant hourly employees were surveyed to see how many hours they worked…

A: n=4787 % confidence interval

Q: Using the appropriate measure of dispersion/heterogeneity/ diversity,demonstrate which city is the…

A: The data for three cities is given as:London: x Windsor: yHalifax:…

Q: Following are the published weights (in pounds) of all of the team members of the San Francisco…

A: (i) Obtain the value of the population mean. Use EXCEL Procedure for finding the value of the…

Q: The following data has been collected on the interarrival times of patients to an emergency…

A: From provided information, the interarrival times of patients to an emergency department is given as…

Q: According to a poll conducted by the Gallup Corporation in March 2011, the metropolitan areas with…

A: Given, according to a poll conducted by the Gallup Corporation in March 2011, themetropolitan areas…

Q: 3) Listed are 29 ages for Academy Award winning best actors in order from smallest to largest.…

A: As per our guidelines we are suppose to answer only one question. given data is already arranged in…

Q: A random surveyof enrollment at 35 community colleges across the United States yielded the following…

A:

Q: C8. The following table shows the number of active military personnel in 2009, by region (including…

A: Solution: Let X be the number of active military personnel in 2009. The given data for X is 229634,…

Q: According to AccuData Media Research, 30% of televisions within the Chicago city limits are tuned to…

A: Solution: Given information: p= 0.30 Population proportion Eyewitness News  n = 3000  Sample size of…

Q: Twenty-five -different automobiles were tested in dry conditions at a speed of 65 miles per hour for…

A: Given Information :  Twenty-five -different automobiles were tested in dry conditions at a speed of…

Q: Given the stem-and-leaf diagram. Answer the following questions: The total frequency Observations of…

A:

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Null Hypothesis is a neutral statement about the parameter or distribution. Alternative hypothesis…

Q: The following values are the annual salaries of the top-ten paid players from the New York Knicks…

A: I am going to solve the given problem by using some simple algebra to get the required result.

Q: A random survey of enrollment at 20 community colleges across the United States yielded the…

A: From the given information, n=20.

Q: Below are summary statistics for infant mortality ratesfor Wisconsin counties in 2011. The numbers…

A:

Q: 3. The total scores of 40 students in a class are given below: Total Points: 80; 85; 67; 90; 65;…

A:

Q: The mathematics SAT scores of the seven students in a mathematics seminar are 533, 553, 578, 586,…

A:

Q: A random survey of enrollment at 2020 community colleges across the United States yielded the…

A: a) How do you determine if a population is normally distributed?   A normal distribution is one in…

Q: A survey of enrollment at 35 community colleges across the United States yielded the following…

A: 6414; 1550; 2109; 9350; 21828; 4300; 5944; 5722; 2825; 2044; 5481; 5200; 5853; 2750; 10012; 6357;…

Q: Below is a table from the US Bureau of Labor Statistics' Current Population Survey Employment Status…

A: The χ2 test of independence shows the relationship between 2 categorical variables.

Q: The following data represents the body temperature in degrees Fahrenheit of randomly selected…

A: The number of observations is 21.

Q: Ten novels were randomly selected, and the number of pages were recorded as follows: 415   398…

A: We have given that,  The data set of novels are :- 415   398   402   399   400   405   395   401…

Q: The Los Angeles City Controller's office calculated that in 2013, the city employed 4703047030…

A: Given: 2013 Number of full time employees = 47030 Number of part time employees = 10142 p denotes…

Q: A random survey of enrollment at 2020 community colleges across the United States yielded the…

A: Disclaimer: Since you have posted a question with multiple sub-parts, we will solve only the first…

Q: A polling organization contacts 1581 teenagers who are 16 to 19 years of age and live in North…

A: Population:   It is nothing but it is interest of set of all the objects or individual’s interest.…

Q: What is the most common method to renew vehicleregistration? In checking a random sample of 650…

A: Step 1: a. Assume that p is the population proportion of registrations that pay for vehicle…

Q: The water tax bills of 30 homes in a locality are given below (in dollars). Construct a grouped…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A mayor running for re-election claims that during his term, average municipal taxes have fallen by…

A: Given data…

Q: 1132,510,1231,581,421,863,1490,682,1274,1183,945,1135,737,1068,946,1630,1037,2194,1357,443 find a)…

A:

Q: Find the five-number summary for the given data (use hinges). The weekly salaries (in dollars) of…

A: Correct answer is  (B) 482, 572.5, 681, 839, 930

Q: Identify the following measures as either quantitative or qualitative: a. The genders of the first…

A: The variable, which is essentially measured through a nominal scale is described as a qualitative…