Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude). This year's results were
Homework Answers
Add Answer to:
Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (high musical aptitude).
Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (bagh musical aptitude).
Every year, the students at a school are given a musical aptitude test that rates them from 0 (no musical aptitude) to 5 (bagh musical aptitude). This year's results were:The mean x aptitude score:The nedian aptarade score:The mode aptitude score:
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The...
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean = 450 and = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 C. The probability of a student selected at random having scored between 400 and 575 A statistics instructor recorded the grades...
4. National SAT (Scholastic Aptitude Test) scores for high school students in the U.S.A. are normally...
4. National SAT (Scholastic Aptitude Test) scores for high school students in the U.S.A. are normally distributed with a mean of 500 and a standard deviation of 116. What is the percentage of students that score (a) above 700? (C) between 650 and 800? (b) under 400? (d) within 50 of the mean?
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The...
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean = 450 and o = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 C. The probability of a student selected at random having scored between 400 and 575 6. A statistics instructor recorded...
High school students are given a standardized college preparedness test and their scores are recorded. The...
High school students are given a standardized college preparedness test and their scores are recorded. The next week they spend several days learning test-taking techniques. They are then given another standardized test and their scores are recorded again. Which statistical procedure will test the effectiveness of the test-taking technique instruction on standardized test scores of the high school students?
From a dataset of the Scholastic Aptitude Test (SAT) score in 2016 obtained by business school...
From a dataset of the Scholastic Aptitude Test (SAT) score in 2016 obtained by business school students in the United States, the population mean score for the Mathematics part of the test was 515. Assume that the population standard deviation on the Mathematics parts of the test was 100. From a sample of 90 students, What is the probability of having a sample mean test score within 10 points of the population mean? b. What is the probability of having...
In the United States, Scholastic Aptitude Test (SAT) scores are used by universities when selecting students for admission. Private companies and high schools offer SAT preparatory courses to help st...
In the United States, Scholastic Aptitude Test (SAT) scores are used by universities when selecting students for admission. Private companies and high schools offer SAT preparatory courses to help students improve their scores. This has led some people to ask, "Do SAT preparatory classes effectively increase SAT scores?" The following study, cited in a major newspaper, claims that they do (but not by a substantial amount): "A new study . . . shows that [SAT preparatory] classes are effective in...
A mandatory competency test for second-year high school students has a normal distribution with a mean...
A mandatory competency test for second-year high school students has a normal distribution with a mean of 495 and a standard deviation of 91. a) The top 3% of students receive $500. What is the minimum score you would need to receive this award? b) The bottom 5% of students must go to summer school. What is the minimum score you would need to stay out of this group?
The data below was collected from random samples of high school students in various counties given...
The data below was collected from random samples of high school students in various counties given a new standardized test in science. SCORES LOCATION Fresno County L.A. County Kern County Sacramento County Fail Low Pass Pass High Pass 30 60 70 150 15 40 50 80 150 400 90 250 75 80 30 50 13.What sort of scale of measurement was used to record the scores of the students(Nominal, ordinal, interval or ratio)? 14.What sort of variable is represented by...
On a nationwide test taken by high school students, the mean score was 51 and the...
On a nationwide test taken by high school students, the mean score was 51 and the standard deviation was 11 The scores were normally distributed. Complete the following statements. (a) Approximately ?% of the students scored between 40 and 62 . (b) Approximately 95% of the students scored between ? and ?
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean = 450 and = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 C. The probability of a student selected at random having scored between 400 and 575 A statistics instructor recorded the grades...
4. National SAT (Scholastic Aptitude Test) scores for high school students in the U.S.A. are normally distributed with a mean of 500 and a standard deviation of 116. What is the percentage of students that score (a) above 700? (C) between 650 and 800? (b) under 400? (d) within 50 of the mean?
5. At a local high school 5000 juniors and seniors recently took an aptitude test. The results of the exam were normally distributed with mean = 450 and o = 50. Calculate the following: a. The PERCENT of students to the nearest tenth of a percent that scored over 425 b. The number of students that scored more than 475 C. The probability of a student selected at random having scored between 400 and 575 6. A statistics instructor recorded...
In the United States, Scholastic Aptitude Test (SAT) scores are used by universities when selecting students for admission. Private companies and high schools offer SAT preparatory courses to help students improve their scores. This has led some people to ask, "Do SAT preparatory classes effectively increase SAT scores?" The following study, cited in a major newspaper, claims that they do (but not by a substantial amount): "A new study . . . shows that [SAT preparatory] classes are effective in...
The data below was collected from random samples of high school students in various counties given a new standardized test in science. SCORES LOCATION Fresno County L.A. County Kern County Sacramento County Fail Low Pass Pass High Pass 30 60 70 150 15 40 50 80 150 400 90 250 75 80 30 50 13.What sort of scale of measurement was used to record the scores of the students(Nominal, ordinal, interval or ratio)? 14.What sort of variable is represented by...
Most questions answered within 3 hours.
-
Let G be an undirected graph and let X be a subset of the
vertices of...
asked 32 seconds ago -
An empty truck traveling at 10 km/h has kinetic energy. How much
kinetic energy does it...
asked 1 minute from now -
Physicians add a special dimension to a governing board. What
are the important things to consider...
asked 13 minutes ago -
Rank the following titrations in order of increasing pH at the
halfway point to equivalence (1...
asked 9 minutes ago -
Mr. Smalley, who had been diagnosed as manic-depressive and had
been in and out of mental...
asked 11 minutes ago -
A circular (0.8 m diameter) footing with q=50 kN/m^2 is placed
on the ground surface. Compute...
asked 16 minutes ago -
Calculate the effective radiation dosage in rems for a 75 ‑kg
person who is exposed to...
asked 17 minutes ago -
Determine the heat of combustion (ΔH2) for propane
(C3H8) using the bond energy table. HINT: you’ll...
asked 28 minutes ago -
1 Give the host id in binary for the following IP addresses
(assuming classful):
a) 130.11.6.9...
asked 30 minutes ago -
A concert loudspeaker suspended high off the ground emits 32 W
of sound power. A small...
asked 33 minutes ago -
WRITE A JAVA PROGRAM THAT READS DATA FROM A .CSV FILE
!!
PLEASE SEE INSTRUCTIONS BELOW...
asked 38 minutes ago -
Short essay, about 500 words that is structured like the
examples from the business world you...
asked 35 minutes ago