12. You scored 650 points in your NCAE and it was reported that your score is in the 80th percentile. It means that you answered 80% of the test correctly. O Always True O Sometimes True O Never True

Q: A questionnaire is sent to 10000 persons. 5000 responded to the questionnaire. 3000 of the…

A: From the provided information, the survey is based on questionnaire sent to 10,000 persons. This…

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: Kevin scored at the 70th percentile on a test given to 9920 students. How many students scored lower…

A:

Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

A:

Q: A teacher gives a​ 20-point quiz to 10 students. The scores are listed below. What percentile…

A: It is an important part of statistics. It is widely used.

Q: When the Standard Score = -1, what is the percentile of the raw score? %3D O 2nd 14th O 16th 34th…

A: It is an important part of statistics. It is widely used.

Q: Suppose that 75% of college students prefer pepperoni on their pizzas. You took a sample of ?=150 at…

A:

Q: Given √2 ~ 1.4 and π/4 ~ 0.8, find the exact local and absolute extreme values for f(x) = x + 2 cos…

A: Given the function f(x)=x+2cos(x).

Q: A quiz consists of 30 true or false questions if the student guesses on each question what is the…

A: According to the provided information, n=30 Since the questions are true or false type questions.…

Q: With 79% of adults in a country believe there are aliens. You select 5 randomly. What is the average…

A:

Q: What score corresponds to the 10th ​percentile?

A: Here Given Graph of percentile(Y axis)  and Test scores( X axis)

Q: Test the claim that most statistics students claim to drive cars (as opposed to SUV’s, trucks,…

A: Given information: The claim is that the most statistics students claim to drive cars. Number of…

Q: Social network news In 2012, Pew Research noted that34% of young adults age 18 to 24 got some news…

A: It is given that difference in proportion is not significant.

Q: The 20th percentile of run times in a particular race is 5.2 minutes. Write a sentence interpreting…

A: Given information: The following sentence has to interpreted: The 20th percentile of run times in a…

Q: A student's score on an actuarial exam is in the 78th percentile. What can you conclude about the…

A: From the provided information, A student’s score on an actuarial exam is in the 78th percentile.

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: Melissa got a score of 55 which is equivalent to 70th percentile in a mathematics test. Which of the…

A: Given problem Given that   Melissa got a score of 55 which is equivalent to 70th percentile in a…

Q: Ten students take a 10-point test. The mean score is 8. Could the median be 10? Could the median be…

A: Solution-: Ten students take a 10-point test. The mean score is 8. Could the median be 10? Could the…

Q: You took the English achievement test to obtain college credit in freshman English by examination.…

A: General definition of pth percentile: For whole numbers p(where 1<p<99) , the pth percentile…

Q: Celyn is among the 1500 students of the school.If Celyn's score based on the Standard-Binet test is…

A: Given: Number of students = 1500 Score on standard Binest test is 105

Q: Solve the following initial value problem to find y(2). dy 2 at =yt ²-l·ly, y(0)=1 using midpoint…

A:

Q: Rochelle got a score of 55 which is equivalent to a 70th percentile rank in a mathematics test.…

A:

Q: Name Lois Chris Meg Peter Brian Stewie Exam1 57 46 45 18 98 96 Exam2 70 42 58 99 90

A: Given that,the mean of exam 2 is  65.Exam 1 and Exam 2 scores are given:NameExam 1Exam…

Q: m has a mean score of 79 on the first three tests in class. What is the highest grade Tom can get if…

A: It's the same as if he had made exacly 65 on the first three tests. He will make the highest grade…

Q: . Mr. John gave a test to his learners in Mathematics. The learners finished their test in 35…

A: Mr. John gave a test to his learners in Mathematics. The learners finished their test in 35 minutes.…

Q: The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9,…

A: The mean score of 7 students on a short test is 7 out of 10 . If six of the seven students scored…

Q: 8. In a 60-item test. Anthony got a score of 48. Which is the 3rd quartile. This means that A. He is…

A: Given 3rd quartile=48

Q: Yearly

A:

Q: ch of the following must be true about Tom's and Leila's scores? om scored higher than Leila. Both…

A: Given that; Total number of students = 8000Tom's score = 55th percentileLeila's score = 86th…

Q: The data set {2,5, q, 10, 13, 16} has mean i = 9. Find the value of q.

A:

Q: A class of students took a test. The instructor said that the 75th percentile score was 90 out of…

A: The solution is as follows,

Q: I. Read each item and choose the correct answer. Write your answer before the number. 1. If you…

A: Percentile is the value below which a given percentage of observations is expected to fall. If a…

Q: Joseph's mean score in 10 tests 74. What is his total score in these 10 tests?

A: Given : Number of tests (n) =10Mean (x) =74

Q: What is the value of the test-statistic (the "t-test" value)? Student A.-9.60 OB.-2.67 OC.-3.20…

A: Student Anxiety Before Movie Anxiety After Movie 1 6 7 2 8 8 3 2 5 4 1 6 5 5 7 6 4…