statistics

find the z score corresponding to a score of X = 100 for

a mean = 80 and standard devation of 10

  1. 👍 0
  2. 👎 0
  3. 👁 121
  1. z = (100 - 80)/10 = +2.0

    1. 👍 0
    2. 👎 0

Respond to this Question

First Name

Your Response

Similar Questions

  1. Math(Connexus 6th)Unit 7

    Saturday, Nola bowled 3 games in her bowling league. She had a mean score of 115. The score of her first game was 110. The score of her second game was 90. What was the score of her third game?

  2. Math

    Score Skateboard Company is a small firm that designs and manufactures skateboards for high school and college students who want effective, fast transportation around campus. Score has two employees who receive $1,100 gross pay

  3. Statistics

    IQ test scores are normally distributed with a mean of 100 and a standard deviation of 15. Find the x- score that corresponds to a z-score of 2.33.

  4. Statistics: IQ Score (X) and Exam Score (Y)

    Assuming that the regression equation for the relationship between IQ score and psychology exam score is Y' = 9+ 0.274X, what would you expect the psychology exam scores to be for the following individuals given their IQ exam

  1. Statistics

    Across the USA, results for these exams are normally distributed. What does that mean and why is this the case? If you were to create a histogram of all GRE scores, what would you expect the histogram to look like? Would it be

  2. 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.

  3. 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

  4. Statistics

    Scores on the SAT form a normal distribution with u=500 and o=100. a. You are trying to qualify for a scholarship and find out that you need to have a higher score than at least 75% of the students. What score will you need? b.

  1. 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 z-score is 1.20, what was her score on the test?

  2. Statistic in Social Science

    The verbal part of the Graduate Record Exam (GRE) has a mean of 500 and a standard deviation of 100. Use the normal distribution to answer the following questions: a. If you wanted to select only student at or above the 90th

  3. stats

    SAT math scores approx. follow a normal distribution, with mean 500 and standard deviation 100. What % of students should have an SAT math score above 500? I think I use mean (500) + z-score * SD (100), but I do not know how to

  4. MATH

    (4 pts) The score on an exam from a certain MAT 112 class, X, is normally distributed with \mu = 77.6 and \sigma = 10.9. NOTE: Assume for the sake of this problem that the score is a continuous variable. A score can thus take on

You can view more similar questions or ask a new question.