Find the expected count and the contribution to the chi-square statistic for the (Group 1,...

Leah Vasquez

Leah Vasquez

Answered

2022-06-19

Find the expected count and the contribution to the chi-square statistic for the (Group 1, No) cell in the two-way table below.

 
 YesNoTotal
Group 15644100
Group 213565200
Group 3672693
Total258135393



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.

 

Find the expected count and the contribution to the chi-square statistic for the (C,D)

cell in the two-way table below.
 

 
 DEFGTotal
A37333937146
B74936859294
C17352932113
Total128161136128553



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.

Find the expected count and the contribution to the chi-square statistic for the (Treatment, Strongly Disagree) cell in the two-way table below.
 

 
 Strongly AgreeAgreeNeutralDisagreeStrongly Disagree
Control394751511
Treatment60461131



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.

Find the expected count and the contribution to the chi-square statistic for the (Group 1, No) cell in the two-way table below.
 

 
 YesNo
Group 1739262
Group 21155319



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.

 

Give the degrees of freedom for the chi-square test based on the two-way table.
 

 
 YesNoTotal
Group 15644100
Group 213268200
Group 37228100
Total260140400

 

Consider the data with analysis shown in the following computer output:

 

LevelNMeanStDev
A610.1002.882
B516.8002.168
C410.8002.387




 

SourceDFSSMSFP
Groups2138.6069.3010.740.002
Error1277.426.45  
Total14216.02   

 

What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?

Round your answer for the pooled standard deviation to two decimal places.

 

Consider the data with analysis shown in the following computer output:

 

LevelNMeanStDev
A586.9505.002
B576.1676.555
C780.0009.230
D769.3336.154




 

SourceDFSSMSFP
Groups3973.93324.646.430.003
Error201010.3450.52  
Total231984.27   

 

What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?

Round your answer for the pooled standard deviation to two decimal places

 

Use the following ANOVA table for regression to answer the questions.
 


Analysis of Variance
 

SourceDFSSMSFP
Regression1286.6286.61.850.176
Residual Error17426952.6154.9  
Total17527239.2   

 

Give the F-statistic and p-value.

Enter the exact answers.

 

Use the following ANOVA table for regression to answer the questions.
 


Analysis of Variance
 

SourceDFSSMSFP
Regression13401.43401.419.60.000
Residual Error17430189.0173.5  
Total17533590.4   

 

Give the F-statistic and p-value.
 

Use the following ANOVA table for regression to answer the questions.
 


Response: Y
 

SourceDFSum SqMean SqF-valuePr(>F)
Regression1347.95347.9513.270.000
Residual Error3599412.9826.22  
Total3609760.93   

 

Give the F-statistic and p-value.

 

Use the following ANOVA table for regression to answer the questions.
 


Response: Y
 

SourceDFSum SqMean SqF-valuePr(>F)
Regression110.75610.7562.890.090
Residual Error3421272.9243.722  
Total3431283.680   

 

Give the F-statistic and p-value.

Enter the exact answers.

 

Two intervals are given, A and B, for the same value of the explanatory variable.

A: 99 to 115 ;B: 92 to 122 ;



(a) Which interval is the confidence interval for the mean response?

Choose the answer from the menu in accordance to item (a) of the question statement 

Which interval is the prediction interval for the response?

Choose the answer from the menu in accordance to item (a) of the question statement 


(b) What is the predicted value of the response variable for this value of the explanatory variable?

Enter the exact answer.
 

Two intervals are given, A and B, for the same value of the explanatory variable.

A: 10 to 12 ;B: 4 to 18 ;



(a) Which interval is the confidence interval for the mean response?

Choose the answer from the menu in accordance to item (a) of the question statement 

Which interval is the prediction interval for the response?

Choose the answer from the menu in accordance to item (a) of the question statement 


(b) What is the predicted value of the response variable for this value of the explanatory variable?

Enter the exact answer.
 

Two intervals are given, A and B, for the same value of the explanatory variable.

A: 3.9 to 7.5 ;B: 4.4 to 7.0 ;



(a) Which interval is the confidence interval for the mean response?

Choose the answer from the menu in accordance to item (a) of the question statement 

Which interval is the prediction interval for the response?

Choose the answer from the menu in accordance to item (a) of the question statement 


(b) What is the predicted value of the response variable for this value of the explanatory variable?

Enter the exact answer.

 

Two intervals are given, A and B, for the same value of the explanatory variable.

A: 15.8 to 23.2 ;B: 15.4 to 23.6 ;



(a) Which interval is the confidence interval for the mean response?

Choose the answer from the menu in accordance to item (a) of the question statement 

Which interval is the prediction interval for the response?

Choose the answer from the menu in accordance to item (a) of the question statement 


(b) What is the predicted value of the response variable for this value of the explanatory variable?

Enter the exact answer.

Answer & Explanation

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Q2

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Q4.There are two categorical variables which are group and opinion.

We have to find the expected count and the contribution to the chi-square statistic for the (Group 2, No) cell.

This is Chi-Square test for independence.

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Use the following ANOVA table for regression to answer the questions.
 
Response: Y
 

SourceDFSum SqMean SqF-valuePr(>F)
Regression1347.95347.9513.270.000
Residual Error3599412.9826.22  
Total3609760.93   

 

Give the F-statistic and p-value.

 

Use the following ANOVA table for regression to answer the questions.
 


Response: Y
 

SourceDFSum SqMean SqF-valuePr(>F)
Regression110.75610.7562.890.090
Residual Error3421272.9243.722  
Total3431283.680   

 

Give the F-statistic and p-value.

Answer 

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

 

Use the following ANOVA table for regression to answer the questions.
 


Analysis of Variance
 

SourceDFSSMSFP
Regression13401.43401.419.60.000
Residual Error17430189.0173.5  
Total17533590.4   

 

Give the F-statistic and p-value.
 Answer

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

What is the pooled standard deviation? What degrees of freedom are used in doing inferences for these means and differences in means?
Round your answer for the pooled standard deviation to two decimal places.

Consider the data with analysis shown in the following computer output:

 

LevelNMeanStDev
A586.9505.002
B576.1676.555
C780.0009.230
D769.3336.154
SourceDFSSMSFP
Groups3973.93324.646.430.003
Error201010.3450.52  
Total231984.27   

Answer:

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Q1

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Round your answer for the pooled standard deviation to two decimal places

 

Use the following ANOVA table for regression to answer the questions.
 


Analysis of Variance
 

SourceDFSSMSFP
Regression1286.6286.61.850.176
Residual Error17426952.6154.9  
Total17527239.2   

 

Give the F-statistic and p-value.

Answer:

 

It is given that

Mean sum of square of error is MSE = 154.9

 

 

The pooled standard deviation can be calculated as

Pooled SD = √(MSE) = √(154.9) = 12.45 (upto 2 decimal places)

 

 

From the given ANOVA table, the F-statistic is given by

F = 1.85

 

 

From the given ANOVA table the p-value is given by

P-value = 0.176

Ian Adams

Ian Adams

Expert

2022-06-19Added 101 answers

Q3

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get your answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?