The mean SAT Evidence-Based Reading and Writing (ERW) score is 536 with a standard deviation of 102 in 2018. a. What percentage of students scored above 625? b. What percentage of students scored between 400 and 625? c. A college decides to adjust its admission policy. As a first step, the admissions committee decides to exclude student applicants scoring below the 20th percentile on the ERW SAT exam. Translate this percentile into a Z score. Then, calculate the equivalent SAT ERW test score

Q: Consider the following 10 exam scores: 28, 57, 58, 64, 69, 74, 79, 80, 83, and 85 Find the…

A: According to the provided information, the exam score is as follows: 28, 57, 58, 64, 69, 74, 79, 80,…

Q: Use the sample mean(78.5)and sample standard deviation (12.3671)in your calculations below. Use…

A: Given that:

Q: The town of Butler, Nebraska, decided to give a teacher-competency exam and defined the passing…

A: Here we have to explain the given statement

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: Fifteen students score the following on their math test. 46, 98, 24, 75, 83, 92, 68, 70, 88, 65,…

A: The following  fifteen students  score on their math test  is . 46, 98, 24, 75, 83, 92, 68, 70, 88,…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2128 votes per district…

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2118 votes per district…

A: Note: Thank you for the question. Since multiple subparts are posted, according to our policy, we…

Q: A teacher found that the mean number of hours her 12 students spent studying for an AP Statistics…

A: old mean for 12 students = 6.7 sum of 12 students = 6.7*12 = 80.4

Q: A successful basketball player has a height of 6 feet 8 ​inches, or 203 cm. Based on statistics from…

A: Consider X is a random variable defined as the height of a successful basketball player.The provided…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2145 votes per district…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 47, 15, 25 Round your…

A: Given data: scores; 45, 34, 65, 47, 15, 25 To find: standard error of the mean

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

A:

Q: A standardized test has a pop. mean of 152 and a standard deviation of 16. Molly scores at the 91st…

A:

Q: highway mileage (mpg) for a sample of 8 different models of a car company can be found below. Find…

A: given data, sample size=8we have to find out the mean , median, mode and  standard deviation for the…

Q: As reported in Runner's World magazine, the times of the finishers in the New York Cit km run are…

A:

Q: Consider these test scores, all out of 100. They are: 61, 76, 89, 72, 65, 71, 61, 83, 45, 68, 62,…

A: Arranging the data in ascending order: 45, 59, 61, 61, 62, 65, 68, 68, 69, 71, 71, 72, 76, 83, 86,…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2071 votes per district…

A:

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: During the 2019 Baseball season, the 25 Pittsburgh Pirates players had an average (mean) salary of…

A: Assume the total sum of money for first 25 members be x and the salary received by an additional…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2121 votes per district…

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any…

Q: Compute the standard error of the mean from the following scores; 45, 34, 65, 14, 15, 25 Round your…

A: Given data: 45, 34, 65, 14, 15, 25 n = 6 To calculate: Compute the standard error of the mean

Q: Disability causes 48% of all mortgage foreclosures. Given that 20 mortgage foreclosures are audited…

A: Here's if we consider Binomial distribution then probability of success is 0.48 and number of trial…

Q: C2. GSS 2014 and GSS 2018 respondents were asked their opinion on whether homosexuals should have…

A: Given information: GSS 2014 and GSS 2018 respondents were asked their opinion on whether…

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 2108 votes per district…

A: Given: Alaska's 40 election districts X = number of votes for President Clinton for an election…

Q: Find the mean and standard deviation of the filling numbers:  30,25,10,30,45,60,30,25,20

A: Mean of the filling numbers is Mean=sum of the all numbers /no  of  given observation Mean…

Q: National park services, a bureau of the US government responsible for park management, is interested…

A: For current year: The mean can be obtained as: Thus, the mean is 74.56. Arranging the data set into…

Q: Of the 200 American film enthusiasts, the average age is: 30 years, while the standard deviation is…

A: The normal distribution in the center is generally denser and basically less dense at tails. There…

Q: Use the graph to identify the values of mean and standard deviation

A: From the given graph we know that μ=530μ+σ=545    .....(1)μ-σ=515    ......(2)

Q: In the 1992 presidential election, Alaska's 40 election districts averaged 1980 votes per district…

A: Given Information: Alaska's 40 election districts averaged 1980 votes per district for President…