You got the 8 out of 10 in this set of scores 10, 8, 10, 6, 7, 3, 5 You also got an 8 on the last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6. Which quiz did you perform better, and why?

You got the 8 out of 10 in this set of scores 10, 8, 10, 6, 7, 3, 5 You also got an 8 on the last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6. Which quiz did you perform better, and why?

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

See similar textbooks

Related questions

Q: For the mathematics part of the SAT the mean is 514 with a standard deviation of 113, and for the…

A: According to the given information in this questionWe need to identify the correct option

Q: The low temperature in city 5 yesterday was 34 degrees. For this month of the year, the average low…

Q: In a neighborhood donut shop, one type of donut has 330 calories, three types of donuts have 400…

A: In a donut shop one type of donut has 330 caloriesthree types of donuts have 400 caloriessix types…

Q: You throw a ball as far as you can 5 times, recording the distance for each throw: 165 feet, 184…

A: since only 5 observation is given we will consider them as sample (n = 5)and population (N = 100)…

Q: tudent obtained the mean of 58 observations as 48. It was later found that one observation was…

A: Given data, n=58 The mean for 58 observations is 48 x=∑xn48=∑x58∑x=2784

Q: The top 5% of applicants on a test will receive a scholarship. If the test scores are normally…

A: According to the given information in this question We need to find the lowest score

Q: If the grades are normally distributed and 8 students received a B, how many students took the…

A: Let C denote the grades of students. Given that X follows N(mean = 82, SD = 5), then Z = (X -…

Q: Find the range , the standard deviation, the variance for 45, 75, 84, 58, 81, 65 , 98,63,76

A: Range = Maximum - Minimum = 98 - 45 = 53 The standard deviation can be determined using the…

Q: Make up another set of six scores that are not all the same but in which the mean, median and mode…

A: It is needed to obtain a set of six scores.

Q: Anna Grace took the ACT and got a score of 31 on the math portion of the exam. The scores are…

A: Proportion of students Anna Grace scored lower than is 0.0047 (0.47%).

Q: This looks like another problem. Read carefully. Sergio is doing a long hike and is carefully…

Q: Matthew made the "Reach for the Top" trivia team because he consistently gave the correct answers in…

A: Let, Matthew made the "Reach for the Top" trivia team because he consistently gave the correct…

Q: test in Science and earned a 66. Use the fact that all the students' test grades ad a mean of 75.9…

A: Given For Janai X=78.6 Population Mean=75.9 Population standard deviation=9.4 For Roscoe Population…

Q: A gym class is taking a fitness test. The gym teacher is recording how many sit-ups the participants…

Q: Below represents the amounts that a random sample of employees reported that they spent on dinner…

Q: 5 Colton and Jake began arguing about who did better on their tests, but they couldn't decide who…

A: Given information English class Colton Marks x = 72.9 Mean µ = 76.7 Standard deviation σ = 8.9 Art…

Q: Here are some of the Final Exam scores from last semester's class: 81, 77, 90, 93, 99, 88, 85, 70,…

A: Given n=12

Q: On five exams, Rachel has a mean score of 80 points. Her lowest score was 50. If this score is…

Q: Laura learned that the average GPA in her school is 3.6 with a standard deviation of 0.3. If her GPA…

A: From the given information, Mean = 3.6 Standard deviation = 0.3 The objective is to find the…

Q: The mean score on a set of 25 tests is 74. Suppose two more students take the test and score 68 and…

Q: Suppose, you play a game, and the result is simply "win" or "lose". For every 15 games played, you…

Q: Steven ran the 100 meter dash in 13 seconds. What is his T-score if the class mean was 14 seconds…

A: t statistic

Q: The average and standard deviation for ACT scores are 20 and 3 respectively. average and standard…

Q: axine and Jeremiah began arguing about who did better on their tests, but they bulant decide etter…

A: Given that. X~N( μ , ?) Z-score =( x - μ )/?

Q: In my Biology Class, to pass the course the minimum score must be 67. Biology class has a mean of…

A: Let, X= scores of the biology class Given that X follows a normal distribution with mean= 81 and…

Q: DeAndre and Jonah began arguing about who did better on their tests, but they couldn't decide who…

A: GivenDeAndre earn in science=81.2Jonah earn in Art History=61.9For science Mean(μ)=72.2standard…

Q: Given the data: 47, 55, 57, 63, 73. Find the standard deviation. Round the final answer to the…

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

A: The mean is the average of all the values, or it is the sum of all the values divided by the number…

Q: Tina's science fair project was to estimate the mean amount of chemicals in her city's water supply.…

A: Solution: Relationship between the sample size and the confidence interval: If the sample size or…

Q: The mean of 200 items was 50. Later on it was found that two items were wrongly taken as 92 and 8…

Q: Christine is currently taking college astronomy. The instructor often gives quizzes. On the past…

A: Given that the data 95 , 69 , 128 , 78 , 64 , 53 , 79 .

Q: The mean score on a set of 17 tests is 85. Suppose two more students take the test and score 62 and…

A: we need to find new mean using given conditions

Q: Omar is trying out to be a firefighter. On the written exam, the mean of everyone who takes the…

Q: he first 8 data points have mean 110.63. The second 78 data points have mean 3.02. What is the…

A: From the given information, Consider, n1=8, x1=110.63n2=78, x2=3.02

Q: Nationally, patients who go to the emergency room wait an average of 4 hours to be admitted into the…

A: Solution: Let X be the waiting time. From the given information, x-bar = 2.7 hours, S=2.8 hours and…

Q: Two classes were given identical quizzes. Class A had a mean score of 8.4 and a standard deviation…

A: Step 1:Class A had mean score of 8.4Class B had mean score of 8.3Class A had better mean score than…

Q: A large chemistry course took their final exam. The mean was 75 with a standard deviation of 8. What…

A: Let us define the random variable , X. Let X represent the final exam scores. Here X follows Normal…

Q: The standard deviation on your last test was 10. The average was a 70. The distribution had a normal…

A: To find out what percentage of the class scored between 60 and 80, we need to utilize the properties…

Q: On a nationwide math test, the mean was 72 and the standard deviation was 7. If Roberto scored 90,…

A: Given that, Mean = 72 Standard deviation = 7

Q: Find the deviations from the mean for the set of data: 26, 29, 22, 24, 24. Score 26 29 22 24 24…

A: Given Data is, 26,29,22,24,24 mean,x¯ =26+29+22+24+245=25

Q: Roy is 4 years old and in the 69th percentile for neight in his age group. Vhat does this mean? Roy…

A: The percentile is used to measure the location of a data set.

Q: Suppose that the mean score of a class of 33 students was 80. The 19 male students in the class had…

Q: For standard deviation, the x-x or the y-y, which numbers do you use?

A: Please find the explanation below.

Question

You got the 8 out of 10 in this set of scores

10, 8, 10, 6, 7, 3, 5

You also got an 8 on the
last quiz. The last quiz had an average score of 7.5 and had a standard deviation of 6.
Which quiz did you perform better, and why?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Similar questions

In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores fall between 70 and 84. What are the mean and standard deviation for this data? What is the mean: What is the standard deviation
Find the standard deviation of the following set of scores. 10, 2, 38, 23, 38, 23, 21, 23 NOTE: Round your answer to the nearest tenth. Do NOT use words in your answer. If you need help, visit the following page.
2
Randy took a standardized test that is normally distributed. He scored a 105 on the test. The nationwide mean score on the test was 94 and the standard deviation was 6.2. What percent of the tested population scored higher than Randy on the test? Round to the nearest whole percent. O 2% 4% 96% O 94% 11%
in 2020, a sample of 12 monarchs had an average wingspan of 6.3 cm. this year a new sample of 12 had an average wingspan of 7.2 cm based on years of data, we know the population standard deviation is 2.2 cm. compare the means from 2020 and 2021. write a conclusion with a statistics and probability in parenthesis
On the SAT, the average Writing score is 490 points and the average Math score is 547 points. The standard deviation is 89 points on each part of the test. Now suppose 61 test takes are selected. 14% of the time the sample average Math score should be less than what? (Round to four decimals)
The tourist bureau of the Caribbean Islands surveyed a sample of 5 United States tourists as they left to return home. The tourists were asked how many days they spent on their visits. Their responses were as follows. 6, 8, 10, 9, 7 Find the standard deviation of this sample of numbers. Round your answer to two decimal places.
A golf pro claims that his mean golf score is 63. A sportswriter wants to test the claim that his mean score is higher 63. Would this be a left-tailed, right-tailed, or two-tailed test?
The mean score of 7 students on a short test is 7 out of 10. If six of the seven students scored 9, 7, 9, 7, 5.5, and 4.5 respectively, what was the 7th student's score? 7th student's score:
Kyle and Caleb began arguing about who did better on their tests, but they couldn't decide who did better given that they took different tests. Kyle took a test in Math and earned a 73.9, and Caleb took a test in Art History and earned a 70.5. Use the fact that all the students' test grades in the Math class had a mean of 73 and a standard deviation of 9,4, and all the students' test grades in Art History had a mean of 62 and a standard deviation of 10.3 to answer the following questions. * a) Calculate the z-score for Kyle's test grade. = 2 b) Calculate the z-score for Caleb's test grade. c) Which person did relatively better? O Kyle O Caleb O They did equally well. MacBook Pro 00 000 esc F4 F5 F6 F7 F1 F2 F3 24 4 %23 tab caps lock C2
Find the standard deviation of the following -14, -4,-10, -12, 5, -1.
A class has an equal number of boys and girls. The boys all got78% on a test and the girls all got 84%.. What are the mean and standard deviation of thetest scores for the entire class?