Question

QUESTION 1 A random sample of students is asked for their opinions on a proposed core...

QUESTION 1

A random sample of students is asked for their opinions on a proposed core curriculum change. The results are as follows.

Opinion
Class Favoring Opposing
Freshman 110 90
Sophomore 80 120
Junior 60 70
Senior 40 60

Test the hypothesis that the opinion on the change is independent of class standing.

Compute the test statistic. (Report answer to three decimal places. Answer must be within +/- 0.001 of correct value.)

QUESTION 2

A random sample of students is asked for their opinions on a proposed core curriculum change. The results are as follows.

Opinion
Class Favoring Opposing
Freshman 120 80
Sophomore 100 120
Junior 90 80
Senior 60 50

We intend to test the hypothesis that the opinion on the change is independent of class standing and the test statistic is 9.06.

Compute the P-value for this test. (Report answer to three decimal places. Answer must be within +/- 0.001 of correct value.)

Please help me with both this is my last assignment that i have to turn in for my class and this is my last available question.

0 0
Add a comment Improve this question Transcribed image text
Answer #1

From the given information,

By using calculator,

The required correct answers are,

Que. 1

Test statistic= 10.869

Que. 2

P-value= 0.029

Please help me out by just rating the answer.

Thank you so much.

Add a comment
Know the answer?
Add Answer to:
QUESTION 1 A random sample of students is asked for their opinions on a proposed core...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions
  • This Question: 1 pt 15 A frequency distribution for the class level of students in an...

    This Question: 1 pt 15 A frequency distribution for the class level of students in an introductory statistics course is shown. Two students are randomly selected without replacement. Complete parts (a) Class Frequency Freshman Sophomore16 through (d). Junior Senior a. Determine the probability that the first student obtained is a junior and the second a senior. The probability that the first student obtained is a junior and the second a senior is Type an integer or a decimal rounded to...

  • This was answered by an expert, but was wrong, please make sure the answer right. Thanks...

    This was answered by an expert, but was wrong, please make sure the answer right. Thanks A paper described a survey of 499 undergraduate students at a state university in the southwestern region of the United States. Each student in the sample was classified according to class standing (freshman, sophomore, Junior, or senior) and body art category (body piercings only, tattoos only, both tattoos and body piercings, no body art) Use the data in the accompanying table to determine if...

  • A paper described a survey of 500 undergraduate students at a state university in the southwestern...

    A paper described a survey of 500 undergraduate students at a state university in the southwestern region of the United States. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body art category (body piercings only, tattoos only, both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is evidence that there is an association between class standing and response to the body...

  • Question 22 2 pts A study was performed to examine the reasons for attending a college....

    Question 22 2 pts A study was performed to examine the reasons for attending a college. A random sample of college students was selected from five universities in Washington. The students received a questionnaire regarding their personal goals. They were asked to choose two most reasons out of ten goals listed in the questionnaire. They were also allowed to write in their goals. The results are presented in a two-way table where the rows represent the personal goals and the...

  • QUESTION 4 This semester , we collected data at the beginning of the semester on a...

    QUESTION 4 This semester , we collected data at the beginning of the semester on a variety of characteristics. In this problem, we are going to compare eye color and academic classification. Here are the results for 205 people that answered both questions. Assuming the null hypothesis that eye color and academic classification are independet, find the expected count for students with both brown eyes and sophomore classification. Round your answer to 2 decimal places Class Blue Brown Other Total...

  • A paper described a survey of 497 undergraduate students at a state university in the southwestern...

    A paper described a survey of 497 undergraduate students at a state university in the southwestern region of the United States. Each student in the sample was classified according to class standing (freshman, sophomore, junior, or senior) and body art category (body piercings only, tattoos only both tattoos and body piercings, no body art). Use the data in the accompanying table to determine if there is evidence that there is an association between class standing and response to the body...

  • Chapter 9 The 94 students in a statistics class are categorized by gender and by the year in school. The numbers obtained are displayed belovw Year in school Gender Freshman Sophomore Junior Senior G...

    Chapter 9 The 94 students in a statistics class are categorized by gender and by the year in school. The numbers obtained are displayed belovw Year in school Gender Freshman Sophomore Junior Senior Graduate Total Male Female Total 31 63 94 17 17 19 23 24 13 24 Suppose we wish to test the null hypothesis that a student is twice likely to be a female than a male. Under the null: 1. a. What is the expected number of...

  • Question 20 4 pts A random sample of 100 students at a high school was asked...

    Question 20 4 pts A random sample of 100 students at a high school was asked whether they would ask their father or mother for help with a financial problem. A second sample of 100 different students was asked the same question regarding a dating problem. If 43 students in the first sample and 47 students in the second sample replied that they turned to their mother rather than their father for help, test the hypothesis of no difference in...

  • A random sample of 172 marketing students was asked to​ rate, on a scale from 1​...

    A random sample of 172 marketing students was asked to​ rate, on a scale from 1​ (not important) to 5​ (extremely important), health benefits as a job characteristic. The sample mean rating was 4.06​, and the sample standard deviation was 0.6. Test at the 1​% significance level the null hypothesis that the population mean rating is at most 4 against the alternative that it is larger than 4. What are the null and alternative hypotheses for this​ test? For this...

  • Question 16 of 20 The General Social Survey asked a random sample of adults about their...

    Question 16 of 20 The General Social Survey asked a random sample of adults about their education and about their view of astrology as scientific or not. The table contains data for people with three levels of higher education degrees. Degree held Junior college Bachelor Graduate Not at all scientific 181 113 Very or sort of scientific 36 43 13 The figure gives Minitab chi-square output for these data. Follow the Plan, Solve, and Conclude steps of the four-step process...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT