Can someone help me with this statistics problems but show how they did it? I am confused but I want to know how to do it for an upcoming test
A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by more than 3 percentage points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%):
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Can someone help me with this statistics problems but show how they did it? I am confused but I want to know how to do it for an upcoming test
A company that sponsors LSAT prep courses would like to be able to claim that their...
A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by more than 3 percentage points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%): Person Initial Test Post-Test 1 62 59 2 78 89 3 79 84 4 67...
(7 points) A company that sponsors LSAT prep courses would like to be able to claim...
(7 points) A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by at least 3 percentage points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%): Post-Test Person Initial Test 75 81 79 83 77 90 2 3 4...
please show how to solve this question with work I want to know how to solve...
please show how to solve this question with work I want to
know how to solve it not the answer
Making friends - Another random sample of college students were asked, "Who do you find it easiest to make friends with people of the same sex or people of the opposite sex?" In this sample of college students, 60% said that it is easier to make friends with people of the same sex, DJ is a music major who wants...
can someone please explain how to do this? I am very confused and it is due...
can someone please explain how to do this? I am very confused
and it is due tomorrow.
Directions: Write the null and alternate hypothesis, determine the appropriate t-test for cach of the following problems, decide upon a decision rule, draw the rejection region, and write a statement that describes the relationship the researcher is entitled to make. (You may use Excel to calculate means, variance and standard deviation). 11 An investigator believes that families in Virginia have more children on...
2. ACT Prep Course. ACT prep courses like to market that by taking their course, you...
2. ACT Prep Course. ACT prep courses like to market that by taking their course, you can increase your ACT score. Some statisticians were curious how effective these courses really were. They decided to investigate the truth of the claim by measuring the average score increase for a random sample of students selected to take an ACT prep course. These students took the ACT twice, once before and once after taking the course. The variable of interest was the increase...
Can someone show me how to work these problems out, step by step. 6. A doctor...
Can someone show me how to work these problems out, step by
step.
6. A doctor is interested in determining whether a film about excercise will change about exercise. The results of his questionnaire are shown. A higher numerical vi value shows a Before Ater 12 vorable attitude toward exercise. Is there enough evidence to support the c claim. use (?? 0.05 13 12 14 A sample of 150 people from a certain industrial community showed that 80 people suffered...
Please show me how to do these steps with EXCEL. I am really confused on which...
Please show me how to do these steps with EXCEL. I am really
confused on which numbers to plug into the equations, and am
preparing for an exam and I am only able to use excel.
Please show full work, thank you again. I WILL RATE POSITIVE. :)
thanks
The Crown Bottling Company has just installed a new bottling process that will fill 16-ounce bottles of the popular Crown Classic Cola soft drink. Both overfilling and underfilling bottles are undesirable:...
Please help me, I wasn't sure which test to use so I did both of them on excel. Please let me know which is correct and answer A-C. I will give the answer a thumbs up if you can get back to me asa...
Please help me, I wasn't sure which test to use so I did both of
them on excel. Please let me know which is correct and answer A-C.
I will give the answer a thumbs up if you can get back to me
asap.
The physicians also believe that people who are obese are more
likely to die earlier than those who are not. Again use the data in
the Framingham sample to test this theory by comparing the mean...
Can someone help with this problems please 1. (10 pts] Suppose that for a given term,...
Can someone help with this problems please
1. (10 pts] Suppose that for a given term, data is collected on the types of courses that SPSCC students take with an interest in online and evening courses. Answer the following questions using the distribution of students below. Online Course No Online Course Totals Evening Course 28 42 70 No Evening Course 82 200 282 Totals 110 242 352 a. What is the probability a student is taking an online course? b....
Can somebody help me with the Use Case Diagram . I am confused of what I...
Can somebody help me with the Use Case Diagram . I am confused of what I am suppose to do. Here are the instructions : Your team should produce a Use Case Diagram and the associated Use Case Descriptions/Narratives for all the use cases in the diagram. The resulting document should havethe “professional look” and produced by a word processor, graphics/presentation/drawing software, and/or a CASE tool (e.g., Microsoft Word, Microsoft PowerPoint, ArgoUML, Dia, Visual Paradigm, Visio, etc.). All project documentation...
A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by more than 3 percentage points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%): Person Initial Test Post-Test 1 62 59 2 78 89 3 79 84 4 67...
(7 points) A company that sponsors LSAT prep courses would like to be able to claim that their courses improve scores by at least 3 percentage points. To test this, they take a sample of 8 people, have each take an initial diagnostic test, then take the prep course, and then take a post-test after the course. The test results are below (scores are out of 100%): Post-Test Person Initial Test 75 81 79 83 77 90 2 3 4...
please show how to solve this question with work I want to
know how to solve it not the answer
Making friends - Another random sample of college students were asked, "Who do you find it easiest to make friends with people of the same sex or people of the opposite sex?" In this sample of college students, 60% said that it is easier to make friends with people of the same sex, DJ is a music major who wants...
can someone please explain how to do this? I am very confused
and it is due tomorrow.
Directions: Write the null and alternate hypothesis, determine the appropriate t-test for cach of the following problems, decide upon a decision rule, draw the rejection region, and write a statement that describes the relationship the researcher is entitled to make. (You may use Excel to calculate means, variance and standard deviation). 11 An investigator believes that families in Virginia have more children on...
2. ACT Prep Course. ACT prep courses like to market that by taking their course, you can increase your ACT score. Some statisticians were curious how effective these courses really were. They decided to investigate the truth of the claim by measuring the average score increase for a random sample of students selected to take an ACT prep course. These students took the ACT twice, once before and once after taking the course. The variable of interest was the increase...
Can someone show me how to work these problems out, step by
step.
6. A doctor is interested in determining whether a film about excercise will change about exercise. The results of his questionnaire are shown. A higher numerical vi value shows a Before Ater 12 vorable attitude toward exercise. Is there enough evidence to support the c claim. use (?? 0.05 13 12 14 A sample of 150 people from a certain industrial community showed that 80 people suffered...
Please show me how to do these steps with EXCEL. I am really
confused on which numbers to plug into the equations, and am
preparing for an exam and I am only able to use excel.
Please show full work, thank you again. I WILL RATE POSITIVE. :)
thanks
The Crown Bottling Company has just installed a new bottling process that will fill 16-ounce bottles of the popular Crown Classic Cola soft drink. Both overfilling and underfilling bottles are undesirable:...
Please help me, I wasn't sure which test to use so I did both of
them on excel. Please let me know which is correct and answer A-C.
I will give the answer a thumbs up if you can get back to me
asap.
The physicians also believe that people who are obese are more
likely to die earlier than those who are not. Again use the data in
the Framingham sample to test this theory by comparing the mean...
Can someone help with this problems please
1. (10 pts] Suppose that for a given term, data is collected on the types of courses that SPSCC students take with an interest in online and evening courses. Answer the following questions using the distribution of students below. Online Course No Online Course Totals Evening Course 28 42 70 No Evening Course 82 200 282 Totals 110 242 352 a. What is the probability a student is taking an online course? b....
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