two exams were given to a class. The scores on the first exam ranged from 30 to90, and the scores on the second exam ranged from 70 to 75. You are asked toguess the mean score for each exam. Which of your guesses do you think is morelikely to be closer to the true mean? Why?

The mean is the mathematical average of a set of two or more numbers.So,Mean = Sum of…

Answered: two exams were given to a class. 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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Create a Study For this discussion, you will come up with an example of a situation in which two means would need to be compared, and describe which test would be the most appropriate. Develop a main response in which you address the following: Describe a possible study that could be conducted to compare two groups means. What would the main topic be? What groups would be compared? What data would be collected? Identify the test that would be the best choice to compare the group means. Explain why this test is the most appropriate for your example.
The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?
Please give correct Answers and Answer both parts. A B 6.13 Taste test. Some people report that just one sip, they can detect the difference between a diet and a regular Coke. A researcher wanted to test this claim, so he chose 80 persons at random. He then filled 80 simple white cups with soda, half diet and half regular, and asked each person to take one taste from their cup and identify the soda as diet or regular based on a random assignment. The drink was accurately identified by 53 of the participants. (a) Do these data show that these folks are any better or worse at telling the difference between diet and regular soda than random guessing? (b) Explain the significance of the p-value in this context.
Important: This question continues from the previous two questions and onto the following two questions. A Rasmussen Reports national survey of 1000 random adult Americans found that 6% felt that Saint Patrick's Day was one of our nation's most important holidays. From the previous question, input the calculated number of successes and number of failures. Show your work on your scratch paper. The number of successes is The number of failures is .Write your answer as a whole number. . Write your answer as a whole number.
Use the chart below to answer questions 1-6 about the ACT's. The ACT is a standardized test used by college admissions offices as a factor in whether an applicant is or is not admitted to their college. Since so many students take this test each year, the distribution of results are typically approximately normal. The table below shows the mean and standard deviation for each section of within the ACT for all test takers in the years 2015, 2016, and 2017. Standard Section Mean Deviation English 20.3 6.8 Math 20.7 5.4 Reading 21.4 6.5 Science 20.9 5.5 STEM 21.0 5.2 A
Eugene must take four exams in a geography class. If his scores on the first three exams are 91, 67, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70 (b) at least 80
Suppose that 10 students have taken an exam and that the mean and median scores are both 60. (Since 10 is an even number you can assume that two scores in the middle are both 60.) Two more students take it and one scores 70 and the other scores 26. If these students are now included, what is the new mean? What is the new median?
Answer number 5
Eugene must take four exams in a geography class. If his scores on the first three exams are 93, 68, and 82, what score does he need on the fourth exam for his overall mean to be the following? (a) at least 70(b) at least 80(c) at least 90
answer this with solution: The mean monthly salary of 26 male employees is 35,500 while that of 18 female employees is 44,100. Find the mean salary of all the respondents.
Is the number two in the sentence a statistic or a perimeter? Two students out of all 29 students in a class have red hair.
Solve it on the paper.

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two exams were given to a class. The scores on the first exam ranged from 30 to 90, and the scores on the second exam ranged from 70 to 75. You are asked to guess the mean score for each exam. Which of your guesses do you think is more likely to be closer to the true mean? Why?