The table below shows the critical reading scores for 14 students the first two times they took a standardized test. At α=​0.01, is there enough evidence to conclude that their scores improved the second time they took the​ test? Assume the samples are random and​ dependent, and the population is normally distributed. Complete parts​ (a) through​ (f). Student1234567891011121314 Score on first test468459572449586598393320586525355328470400 Score on second testScore on second test473468588495560614328329588531404344520429 ​(a) Identify the claim and state Upper H 0H0and Upper H Subscript aHa.

Question
Asked Jul 5, 2019
11 views
The table below shows the critical reading scores for 14 students the first two times they took a standardized test. At α=​0.01, is there enough evidence to conclude that their scores improved the second time they took the​ test? Assume the samples are random and​ dependent, and the population is normally distributed. Complete parts​ (a) through​ (f).
 
Student
1
2
3
4
5
6
7
8
9
10
11
12
13
14
 
Score on first test
468
459
572
449
586
598
393
320
586
525
355
328
470
400
 
Score on second testScore on second test
473
468
588
495
560
614
328
329
588
531
404
344
520
429
 
​(a) Identify the claim and state Upper H 0H0
and Upper H Subscript aHa.
check_circle

Expert Answer

Step 1

Given the data of critical reading scores for 14 students the first two times they took a standardized...

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in

Math

Statistics

Hypothesis Testing

Related Statistics Q&A

Find answers to questions asked by student like you
Show more Q&A
add
question_answer

Q: A test consists of 940 true or false questions. If the student guesses on each​ question, what is th...

A: Given number of true or false questions = n = 940.Probability of correct answer p = 1/2Here we can s...

question_answer

Q: A. A population has a mean of 6.9 and standard deviation of 2.6. Find the value that has 80% of the ...

A: Given Population mean = 6.9Standard deviation = 2.6The Z score with the area left to it close to 0.8...

question_answer

Q: List and describe two of the common types of explanations for statistical relationships (other than ...

A: Common types of explanations for statistical relationships:The common types of explanations for stat...

question_answer

Q: 1. In a random sample of 15 CD players brought in form repair, the average repair cost was $80 and t...

A: It is given that the average repair cost (mean) is $80, sample standard deviation s is $14, the samp...

question_answer

Q: 2. Previously, you studied linear combinations of independent random variables. What happens if the ...

A: Consider the provided information:μx ≈ 7.34,      σx ≈ 6.55,      μy ≈ 13.19,      σy ≈ 18.57,      ...

question_answer

Q: How much should a healthy Shetland pony weigh? Let x be the age of the pony (in months), and let y b...

A: Part (a):The scatter diagram, along with the best fitted line (least-squares regression line) for th...

question_answer

Q: A statistical program is recommended. Electromagnetic technologies offer effective nondestructive se...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

question_answer

Q: Select the statistic test that best fits each description. Comparison of mean reading test scores by...

A: Introduction to one-way ANOVA:One-way ANOVA is a statistical method for testing hypotheses regarding...

question_answer

Q: Do heavier cars really use more gasoline? Suppose a car is chosen at random. Let x be the weight of ...

A: Hi, since the problem posted by you contains multiple sub-parts, we are answering the first three su...