Question

Chapter 7, Section 2, Exercise 035 Give the degrees of freedom for the chi-square test based...

Chapter 7, Section 2, Exercise 035 Give the degrees of freedom for the chi-square test based on the two-way table. Yes No Total Group 1 56 44 100 Group 2 132 68 200 Group 3 72 28 100 Total 260 140 400 Degrees of freedomequalsEnter your answer in accordance to the question statement exact number, no tolerance

Homework Answers

Answer #1

Degrees of freedom =(c-1)*(r-1)= (2-1)*(3-1) = 2                                                                             

Know the answer?
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
Similar Questions
Chapter 7, Section 2, Exercise 033 Find the expected count and the contribution to the chi-square...
Chapter 7, Section 2, Exercise 033 Find the expected count and the contribution to the chi-square statistic for the (Treatment, Agree) cell in the two-way table below. Strongly Agree Agree Neutral Disagree Strongly Disagree Control 39 45 5 13 12 Treatment 59 44 9 4 2 Round your answer for the excepted count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places. Expected count= contribution to the chi-square statistic=
Chapter 7, Section 2, Exercise 032 Find the expected count and the contribution to the chi-square...
Chapter 7, Section 2, Exercise 032 Find the expected count and the contribution to the chi-square statistic for the (C,F) cell in the two-way table below. D E F G Total A 35 31 43 33 142 B 78 92 66 54 290 C 15 35 29 27 106 Total 128 158 138 114 538 Round your answer for the expected count to one decimal place, and your answer for the contribution to the chi-square statistic to three decimal places....
Use the Chi-square test for independence to test the null hypothesis of no association between cigarette...
Use the Chi-square test for independence to test the null hypothesis of no association between cigarette smoking and asthma symptoms. The expected cell counts, have been computed for you. Ever Smoked Cigarettes (OBSERVED) Symptoms of Asthma Yes No Total Yes 20 30 50 No 22 78 100 Total 42 108 150 Ever Smoked Cigarettes (EXPECTED) Symptoms of Asthma Yes No Total Yes 14 36 50 No 28 72 100 Total 42 108 150 4) (10 points) Conduct the test at...
3. (Lesson 11) Use Minitab Express to conduct a chi-square test to determine if there is...
3. (Lesson 11) Use Minitab Express to conduct a chi-square test to determine if there is a relationship between gender and whether the student said that they would prefer to win an Academy Award, Nobel Prize, or Olympic Medal.  Use the five-step hypothesis testing procedure. [25 points] Step 1: State hypotheses and check assumptions Step 2:Compute the test statistic Step 3: Determine the p-value Step 4: Make a decision (reject or fail to reject the null) Step 5: State a real...
2. (Lesson 11) The “Year” variable represents whether each student identified as a first-year student, sophomore,...
2. (Lesson 11) The “Year” variable represents whether each student identified as a first-year student, sophomore, junior, or senior. Use Minitab Express to conduct a chi-square test to determine if the proportions of students who identify as each year are not all equal. Use the five-step hypothesis testing procedure. [25 points] Step 1: State hypotheses and check assumptions Step 2:Compute the test statistic Step 3: Determine the p-value Step 4: Make a decision (reject or fail to reject the null)...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the...
Researchers in a 2015 study by Flannery et al. sought to estimate the effectiveness of the seasonal influenza vaccine in preventing acute respiratory infection (ARI). A total of 507 subjects from Texas who showed symptoms of ARI were recruited for this study. The data provided show the result of each subject's test for influenza. Click to download the data in your preferred format.    CrunchIt!    CSV    Excel    JMP    Mac-Text    Minitab    PC-Text    R   ...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT