3. Assuming that you wished to have the highest possible score on an exam relative toother scores; would you rather have a score of 70 on a test with a mean of 60 and astandard deviation of 5.2 or a score of 81 on attest with a mean of 70 and a standarddeviation of 7.1?

Answered: Image /qna-images/answer/626b4d0f-62be-4fe7-83c4-8311ec600e55.jpg

Answered: 3. Assuming that you wished to have the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Consider a value to be significantly low if its z score less than or equal to - 2 or consider a value to be significantly high if its z score is greater than or equal to 2. Atest is used to assess readiness for college. In a recent year, the mean test score was 21.3 and the standard deviation was 4.7. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are greater than (Round to one decimal place as needed.) O B. Test scores that are between and (Round to one decimal place as needed. Use ascending order.) OC Test scores that are less than (Round to one decimal place as needed.)
The University of Montana admission standards require students to have an ACT score of at least 22. We know that Montana ACT scores are normally distributed with a mean of 20.1 and a standard deviation of 4. A: Students in Oregon have a mean ACT score of 21.1 with a standard deviation of 2.8. If we chose one student each at random from Oregon and from Montana, which student would be more likely to meet the ACT requirements of the University of Montana? Explain your answer using the appropriate statistics and a correctly labeled and shaded normal distribution. B: We know that the Montana ACT scores are normally distributed with a mean of 20.1 and a standard deviation of 4. Assume that the top 2% of individuals in the state are eligible for a state-funded scholarship. What score does an individual need on the ACT to be eligible? Explain your answer using the appropriate statistics and a correctly labeled and shaded normal distribution
Here are the monthly wage scales of 8 workers from XYZ Knit Works. 15 13 18 12 21 13 26 22 a. Determine the mean of the workers' wages. Answer in exact fraction, or rounded to at least 4 decimal places b. Determine the variance of the workers' wages. Answer in exact fraction, or rounded to at least 4 decimal places
2. The mean of a statistics examination is 77.0. a. If your score is 85, would you prefer the standard deviation to be large or small for purposes of getting a better grade? Why? b. If your score is 69, would you prefer the standard deviation to be large or small? Why?
2. What is the difference between the standard deviation and the coefficient of variation? When is it more appropriate to use each measure?
7. Calculate -scores for the following raw scores taken from a population with a mean of 100 and standard deviation of 16: 112, 109, 56, 88, 135, 99 Answer: 2 = 0.75, 0.56, -2.75, -0.75, 2.19, -0.06 show work for these please
If the mean height of bonsai trees is 52 cm with a standard deviation of 10 cm, what percent of the trees are above 82 cm? Select one: a. 0.3% O b. 82 O c. 3% O d. 0.15% Students at Roseville High School took an IQ test with a mean of 100 and a standard deviation of 15. Approximately, what percent of the students scored above 100? Answer: o represents the
The mean score for first exam in your first organic chemistry class (section A) was 60, with a standard deviation of 5. Your score on the exam was 70. A. How many standard deviations above the mean is your score?
I don't understand can some help, and can you please show work and formula use.
You want to know if a treated sample mean, M, is significantly different from some hypothesized mean, however, you do not have access to the popuation standard deviation, so you estimate it by computing the standard deviation of the sample. Which stats test do you run? a. z test for determining position of a score, x, in a population. b. one-sample t test. c. independent-samples t test. d. z test for determining the position of a mean, M, in a sampling distribution.
Please answer B, C, & D.

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3. Assuming that you wished to have the highest possible score on an exam relative to other scores; would you rather have a score of 70 on a test with a mean of 60 and a standard deviation of 5.2 or a score of 81 on attest with a mean of 70 and a standard deviation of 7.1?