Sally's scores on her science quizzes are listed below. Which average best represents Sally's scores? Explain reasoning.
SCORES: 86 78 70 68 95 81 85 89 95
Sally receives a score of 100 on the next quiz. How does this score affect the mean, median and modes of Sally's Scores?
Please read the easy info at the following site:
http://math.about.com/library/weekly/aa020502a.htm
If you still don't get it, we can help you more.
 👍
 👎
 👁
 ℹ️
 🚩
Answer this Question
Related Questions

Statistics
Suppose a study finds that the correlation coefficient relating family income and SAT scores is r = +0.98. Which of the following are proper conclusions? I. Poverty causes low SAT scores II. Wealth causes high SAT scores III. There is a very strong
 asked by John
 1,230 views

stats.
The GMAT test is required for admission to most graduate programs in business. In a recent year, the GMAT test scores were normally distributed with a mean of 550 and standard deviation of 100. A. Find the first quartile for the distribution of GMAT
 asked by Christina
 2,502 views

Physics
Sally has a mass of 50.0kg and earth has a mass of 5.98X10^24kg. The radius of earth is 6.371x10^6m. A)What is the force of gravitational attraction between sally and earth? B)What is Sally's weight?
 asked by Sam
 2,311 views

Math
Find the mean of the data set. If necessary, round to the nearest tenth. 15.8, 14.9, 17.6, 13.4. A) 15.7 ***** B) 16.2 C) 16.7 D) 19.6 Erin wrote the following set of numbers. 37, 22, 37, 19, 34, 22, 37, 22, 32, 26, 30, 22 What is the mode of this set of
 asked by Jeremiah
 11,220 views

math
the numbers below represent the scores on a science test graph the data in a line plot 58,55,54,61,56,54,61,55,53,54
 asked by uh
 1,912 views

math
sally and hans started counting at the same time. sally counted on by tens from 300. hans counted back by hundreds. after six counts they had reached the same number. what number did hans start counting from?
 asked by mike
 1,616 views

Math
Mariah took 4 quizzes in her class this past month. Her scores were 92, 94, 100 and 83 what was her mean score A.92.95 B.93.5 C.93.75 D.94.25
 asked by e3
 2,950 views

Algebra
Your test scores in one class are 81 and 87. What possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?
 asked by Lindsey
 2,677 views

statistics
the five number summary of the distribution of scores on a statistics exam is 0 26 31 36 50 316 students took the exam. the histogram of all 316 scores was approximately normal. Thus the variance of test scores must be about I know about subtracting 2631
 asked by Anonymous
 1,709 views

algebra
Your test scores in one class are 84 and 88 What possible scores can you earn on your next test to have a test average between 86 and 90 inclusive?
 asked by samuel
 1,305 views

please check
As Alex sat down in the carnival tent, the lights dimmed. A spotlight revealed a short, heavy man holding a thick chain. He tugged the chain, and an old, muzzled bear appeared. The man, the animal's owner, announced that the bear's name was Sally. He said
 asked by jae
 7,231 views

statistics
The distribution of scores on the SAT is approx. normal with mu= 500 and std dev=100. a)what proportion of the population have SAT scores above 650? b)what proportion of of the population have SAT scores below 540? c)what is the minimum SAT score needed to
 asked by Tommy
 2,079 views

math
Jen and Ron each took five tests. Their test scores are shown below. Jen: {45, 91, 84, 66, 74} Ron: {70, 95, 99, 69, 72} Which statement correctly compares the students’ test scores? A. The median of Jen’s scores is greater than the median of Ron’s
 asked by quandle dingle
 352 views

Statistics
The scores on a math test are normally distributed. if the mean is 72 and the standard deviation is six, what is the range of 98% of the scores?
 asked by Barb
 2,475 views

statistics
Scores from a statistics exam are reported as deviation scores. Which of the following deviation scores indicates a higher position in the class distribution?
 asked by michelle
 3,768 views

math
The stemandleaf plot shows the test scores of a science class. How many students scored 78? science test scores 6: 8,8,9 7:2 ,5,5,5,8,8,8,8,9 8: 2,2,2,6,6,9,9 9: 0,0,0,2,2,5,5,5 key: 8/2 or 8 and 2 means 82 is the answer 1 or 2 or 3 or 4 and also this
 asked by help
 1,807 views

Math
In your class, you have scores of 73,85,76, and 92 on the first four of five tests. To get a grade of Upper C, the average of the first five tests scores must be greater than or equal to 70 and less than 80. a) Solve an inequality to find the least
 asked by Ms. E
 11,084 views

math
A professor grades students on three tests, four quizzes, and a final examination. Each test counts as two quizzes and the final examination counts as two tests. Sara has test scores of 60, 80, and 89. Sara's quiz scores are 85, 94, 83, and 84. Her final
 asked by lisa
 1,859 views

Algebra
Scores on a test have a mean of 66 and Q3 is 80. The scores have a distribution that is approximately normal. Find the standard deviation. Round your answer to the nearest tenth. 10.5 18.7 20.9 9.4
 asked by Leozap
 4,779 views

statistics
Calculate SS, variance, and standard deviation for the following population of N _ 7 scores: 8, 1, 4, 3, 5, 3, 4. (Note: The definitional formula works well with these scores.)
 asked by Liz
 2,631 views
Still need help?
You can ask a new question or browse existing questions.