A distribution has a standard deviation of o= 12. Find the Z-score for each of the...
question 4 1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
1. What position in the distribution corresponds to a z-score of z = .50? A. Below the mean by a distance equal to 0.5 standard deviations. B. Below the mean by 0.5 points. C. Above the mean by 0.5 points. D. Above the mean by a distance equal to 0.5 standard deviations. 2. Which of the following z-score values represents the location closest to the mean? A. z=+1.50 B. z=+1.00 C. z=-0.75 D. z=-2.00 3. For a population with µ...
4 pts Question 47 8, find the Z-score corresponding to each of the following X For a population with a h = 40 and o = values: a. X-42; b. X-52; c. X=36; d. X-32 HTML Editor A population of scores with a u = 43 and o = 8 is standardized to create a new population distribution with a fi = 50 and o = 10. What is the new X value for each of the following scores from...
5. Suppose X follows a normal distribution with mean u = 200 and standard deviation o = 40. Find each of the following probabilities. (8 points) a. P(160 < x < 232) b. P(X > 160) C. P(X < 100) d. P(230 < x < 284) 6. Sup Suppose we know that SAT scores have a population average u = 1080 and a standard deviation o = 200. A university wants to give merit scholarships to all students with an...
1. A normal distribution of scores has a standard deviation of 10. Find the z-scores corresponding to each of the following values: a. A score that is 20 points above the mean. b. A score that is 10 points below the mean. c. A score that is 15 points above the mean. d. A score that is 30 points below the mean.
3. A normal distribution of BMCC MATSI scores has a standard deviation of 1.5. Find the z-scores corresponding to each of the following values: a. A score that is 3 points above the mean. b. A score that is 1.5 points below the mean. c. A score that is 2.25 points above the mean 4. Scores on BMCC fall 2017 MATI50.5 department final exam form a normal distribution with a mean of 70 and a standard deviation of 8. What...
What z-score corresponds to a score that is 2 standard deviation units ABOVE the mean? (PLEASE SHOW WORK) A). z= +1.50 B). z= -1.50 C). z= -2.00 D). z= +2.00
Identify the Z-Score value corresponding to each of the following locations: Below the mean by a standard deviation of 1 Above the mean by a standard deviation of 1 and 1/2 Below the mean by standard deviation of 3/4 Above the mean by a standard deviation of 2 and 7/8 a. Z = 1.00 Z = 1.50 Z = .75 Z = 2.875 b. Z = -1.00 Z = +1.50 Z = -.75 Z = +2.875 c. Z = +1.00...
What proportion of a normal distribution is located between each of the following Z-score boundaries? a. z= -0.50 and z= +0.50 b. z=-0.90 and z= +0.90 c. z=-1.50 and z= 1.50 For a normal distribution with a mean of μ = 80 and a standard deviation of σ= 20, find the proportion of the population corresponding to each of the following. a. Scores greater than 85. b. Scores less than 100. c. Scores between 70 and 90. IQ test scores are standardized to produce a normal distribution with...
Hello Could you kindly verify if my answers are correct: Question 1) A distribution has a standard deviation of 10. Find the z-score for each of the following locations in the distribution. a. Above the mean by 5 points b. Above the mean by 2 points c. Below the mean by 20 points d. Below the mean by 15 point My answers are: a) +0.50 b) + 0.20 c) -2.00 d) -1.50 Question 2: Subjective wellbeing was measured among a...