Login or Sign Up

Ask a New Question

if your score is an exam in 80 with a mean of 60 what would be the standarised score of the exam if the standard deviation is 15

You are 20/15 or 1.33 standard deviations above the mean.

Similar Questions

for each of the following, identify the exam score that should lead to the better grade. In each case, explain your answer.A

Top answer: Z = (score-mean)/SD Which test has the highest Z score? Read more.
Juan’s first 3 exam scores are 85, 93, and 87. What does he need to score on his next exam to average 90 for all 4 exams?let x

Top answer: an average of 90 on 4 exams means 4*90=360 points in all. So, how many points shy of 360 is the sum Read more.
The total of dharma's, Eugene, and Ferns final exam score is 272 Dharma score is added to Eugene score the sum is 28 points less

Top answer: X = Ferns' score. 2x-28 = D. + E. score. x + 2x-28 = 272. 3x = 300. X = 100. 2x-28 = 2*100 - 28 = Read more.
The mean score on a Math exam was 50% and the standard deviation was 10%. Assume the results were normally distributed.(a) What

Top answer: Z = (x - μ)/SD Z = (x -50)/10 a) Get the respective Z scores. Find table in the back of your Read more.
Professor Smith gives only a midterm exam and a final exam. The average is computed by taking 1/3 of the midterm exam score and

Top answer: (1/3)(59) + (2/3)F ≥ 70 times 3 59 + 2F ≥ 210 2F ≥ 151 <b>F ≥ 75.5</b> check: suppose she Read more.
Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what

Top answer: Substitute each score for X in the regression equation and solve for predicted y (Y'). Read more.
Can you please tell me how to solve for the following?Pedro took an exam in a class in which the mean was 64 with a standard

Top answer: Equations are the same. Z = (score-mean)/SD For the second one, find table in the back of your Read more.
On a entrance exam, the mean was 50 and standard deviation was 5. If Ricky's z-score was -1.5, what was his exam score?I don't

Top answer: Would I set it up like this? -1.5 = x-50/5??? Read more.
Distribution of exam 2 scores is unimodal and symmetric with a mean of 78 and a standard deviation of 4.6 points. What exam

Top answer: that would be 2.46 std below the mean, or 78-2.46(4.6) Read more.
On a recent math exam, Alex received a score of 92%. His z-score is positive 2. If the mean for the exam is 84, what is the

Top answer: You indicate Alex's score as a percentage, but the mean as a raw score. I will assume that the "%" Read more.