Statistics. I Need Help Please
 👍 0
 👎 0
 👁 119

 👍 0
 👎 0

 👍 0
 👎 0
Respond to this Question
Similar Questions

Math
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is
asked by Vanessa on April 16, 2014 
statistics
1. Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and a standard deviation of 4. Do not use the web calculator to answer the following questions.
asked by Anonymous on February 6, 2016 
Math
Ms. Allison drew a boxandwhisker plot to represent her students scores on a midterm test. These are the numbers on the boxandwhisker plot. Lowest value=44 Lower quartile=47 Median=52 Upper quartile=81 Highest value=96 Jason
asked by Anonymous on April 6, 2015 
statistics!
1) Entry to a certain University is determined by a national test. The scores on this test are normally distributed with a mean of 500 and a standard deviation of 100. Tom wants to be admitted to this university and he knows that
asked by joane on October 24, 2012

Statistics
The Graduate Record Examination (GRE) has a combined verbal and quantitative mean of 1000 and a standard deviation of 200. Scores range from 200 to 1600 and are approximately normally distributed. For each of the following
asked by Jill on September 22, 2014 
math 100
When you take the Scholastic Assessment Test (SAT), your score is recorded as a percentile score. If you scored in the 92nd percentile, it means that you scored better than approximately 92% of those who took the test. If Lisa's
asked by ryan on November 4, 2018 
statistics
A student scored 84 points on a test where the mean score was 79 and the standard deviation was 4. Find the student's z score, rounded to 2 decimal places
asked by RGCLARK on February 24, 2012 
statistics
5. Each year, a national achievement test is administered to 3rd graders. The test has a mean score of 100 and a standard deviation of 15. If Jane's zscore is 1.20, what was her score on the test?
asked by xiomara on September 2, 2011

fundamentals math
A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard deviation of 40. If george scored 340, how many students scored more than George? This is hrd because I tried
asked by Jacqueline on September 27, 2015 
statistics
The College Board reported the following mean scores for the three parts of the Scholastic Aptitude Test (SAT) (The World Almanac, 2009): Assume that the population standard deviation on each part of the test is = 100. a. What is
asked by Vanessa on April 15, 2014 
Satistics
The human resources department of a consulting firm gives a standard creativity test to a randomly selected group of new hires every year. This year, 80 new hires took the test and scored a mean of 112.5 points with a standard
asked by Dane on March 21, 2017 
math
A teacher allows the students to each "throw out" their lowest test score in order to increase their overall grade. The original mean score of 5 tests is 72.8. After the removal of the lowest test, the mean score becomes 78.5.
asked by Nicci on April 4, 2010
You can view more similar questions or ask a new question.