Homework Answers
Answer:
The correct answer is B.
To find the standard deviation, we subtract population mean from a score, which is divided by z-score. If you put the respective values, you will get, (86-80)/2=3. That's why the correct answer is B.
Hey, please do leave a thumbs up, as it motivates us to do better. Thank you.
For any queries, hit comment!!!
Add Answer to:
A population of scores has u = 80. In this population, a score of X -86...
A population of scores has a standard deviation of 5. In this population a raw score...
A population of scores has a standard deviation of 5. In this population a raw score of 45 corresponds to a z score of 1.5. What is the population mean?
A distribution has a standard deviation of o= 12. Find the Z-score for each of the...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
In a distribution of scores, a score value (X) has a z-score of 2. How would...
In a distribution of scores, a score value (X) has a z-score of 2. How would interpret z-score of 2. Select one: O a. The particular score (X) is two standard deviations above the mean. b. The particular score (X) is two points above the mean. c. The particular score (X) is two points below the mean. d. The particular score (X) is two standard deviations below the mean.
A normal distribution has a mean of u = 80 with o = 20. What score...
A normal distribution has a mean of u = 80 with o = 20. What score separates the highest 15% of the distribution from the rest of the scores? (Hint: First find the Z-score, then convert back to a raw score.) OX= 59.2 X = 100.8 X =95 X = 65
question 4 1. A distribution has a standard deviation of a = 12 points. Find 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...
= X- 4) A normal distribution has mean u = 65 and a population standard deviation...
= X- 4) A normal distribution has mean u = 65 and a population standard deviation o= 20. Find and interpret the z - Score for x = 64. u a) The z - score for x = 64 is 64-65 b) Interpret these results. (Explain): 5) A sample size 28 will be drawn from a population with mean 120 and standard deviation 21. a) Is it appropriate to use the normal distribution to find probabilities for x? yes or...
A sample of n = 9 scores is obtained from a population with u = 70...
A sample of n = 9 scores is obtained from a population with u = 70 and o = 5. If the sample mean is M = 80, then what is the z-score for the sample mean? a. z=0.33
1. The scores on a nationwide aptitude test are normally distributed, with a mean of 80...
1. The scores on a nationwide aptitude test are normally distributed, with a mean of 80 and a standard deviation of 12. (convert raw score to z score) a. What percentage of aptitude scores are below a score of 65?
4 pts Question 47 8, find the Z-score corresponding to each of the following X For...
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...
1. What position in the distribution corresponds to a z-score of z = .50? A. Below...
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 ยต...
A distribution has a standard deviation of o= 12. Find the Z-score for each of the following locations in the distribution. a. Above the mean by 3 points. b. Above the mean by 12 points. c. Below the mean by 24 points. d. Below the mean by 8 points. For a population with u = 50 and o= 8, find the z-score for each of the following X values. a. X= 54 b. X= 62 c. X= 52 d. X=...
In a distribution of scores, a score value (X) has a z-score of 2. How would interpret z-score of 2. Select one: O a. The particular score (X) is two standard deviations above the mean. b. The particular score (X) is two points above the mean. c. The particular score (X) is two points below the mean. d. The particular score (X) is two standard deviations below the mean.
A normal distribution has a mean of u = 80 with o = 20. What score separates the highest 15% of the distribution from the rest of the scores? (Hint: First find the Z-score, then convert back to a raw score.) OX= 59.2 X = 100.8 X =95 X = 65
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...
= X- 4) A normal distribution has mean u = 65 and a population standard deviation o= 20. Find and interpret the z - Score for x = 64. u a) The z - score for x = 64 is 64-65 b) Interpret these results. (Explain): 5) A sample size 28 will be drawn from a population with mean 120 and standard deviation 21. a) Is it appropriate to use the normal distribution to find probabilities for x? yes or...
A sample of n = 9 scores is obtained from a population with u = 70 and o = 5. If the sample mean is M = 80, then what is the z-score for the sample mean? a. z=0.33
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...
Most questions answered within 3 hours.
-
(CO 2) A field can be added to a report to
values for two or more...
asked 31 minutes ago -
Identify 3 research scenarios that might provide a low,
medium, and high degree of variability in...
asked 54 minutes ago -
how
does gravity affect the trajectory of projectile? what would be the
shape of the trajactory...
asked 1 hour ago -
Two small plastic spheres are given positive electrical charges.
When they are a distance of 15.4...
asked 1 hour ago -
An acidic solution containing gold ions is
electrolyzed, producing gaseous oxygen (from water) at the anode...
asked 2 hours ago -
Assume that the population of Mexico is 128
million and that the population increases 1.01
percentannually....
asked 3 hours ago -
Can someone please help me add appropriate descriptive
comments to each line of code in the...
asked 3 hours ago -
Romeo wishes to throw a bouquet of flowers to Juliet, who is on
a second-story balcony,...
asked 4 hours ago -
Why is QE a controversial monetary policy tool.
A. It may lead to excessive inflation.B. By...
asked 4 hours ago -
Principles of Programming midterm study guide help!
1.)
______ Which of the following would reference the...
asked 3 hours ago -
A finite potential well has depth U0 = 2.78 eV . What is the
penetration distance...
asked 4 hours ago -
1. The bus bars of a power station are in two sections A and B
separated...
asked 4 hours ago