Question: 9 Use software with the data in Table 9.4 a) Conduct au ANOVA to test equality of the mean selling prices for homes with one.

9 Use software with the data in Table 9.4

a) Conduct au ANOVA to test equality of the mean selling prices for homes with one. Two, and three bathrooms. Interpret.

b) Explain the difference between conducting a test of independence of selling price and number of bathroonis using the ANOVA test in

(a) and using a regression t test for the coefficient of the number of bathrooms in a regression model.

TABLE 12.30 Analysis Variable: IDEOLOGY N Mean Std Dev GROUP-1 470 4.051 1.269 GROUP-2 357 4.202 1.371 GROUP=3 80 4.000 1.350 GROUP=4 43 3.930 1.518 Sum of Mean Source DF Squares Square F Value Pr > F Model 3 6.852 2.284 1.30 0.2739 Error 946 1665.044 1.760 Total 949 1671.896 Bonferroni T tests for variable: IDEOLOGY Alpha 0.05 Confidence 0.95 df= 946 MSE 1.760089 Critical value of T 2.64382

c) Show how to conduct a regression analysis that is equivalent to the ANOVA in (a).

d) Use a muluple companson method to construct simultaneous 85% confidence inter- vals comparing the means. Interpret. How do these intervals compare to ordinary 95% confidence intervals for individual comparisons?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Statistical Sampling To Auditing Questions!

Week 4 Homework Assignment This assignment is due by 6 p.m. eastern time on Sunday, September 17.When you turn it in, please: (1) Include your team number and assignment number in the filename(s)....

15 Refer to the housing data in Table 94. Use software to fit the model with number of bath- roorns as the predictor for price. a) Construct a scatter diagram. Note the effect of using such a highly...

CHA P TER 9 Understanding Software: A Primer for Managers 1. INTRODUCTION L E A R N I N G O B J E C T I V E S 1. Recognize the importance of software and its implications for the rm and strategic...

10. For the house sales data in Table 9.4. Table 9.11 shows a computer printout for the regres- sion analysis relating selling price (thousands of dollars) to number of bedrooms TABLE 9.11 Variable...

Possible Multiple Choice Questions for the Exam. Focus on the topics discussed in class. Chapter 1 Multiple Choice Identify the choice that best completes the statement or answers the question. ____...

ID Salary 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 59.3 26.5 34.1 56.3 46.8 79.5 41.2 23.6 76 22.7 23.8 62.9 41.4 22.3 23.1 46.6 67.6 33.8 24 35 75.2 51.5 22.1 55.4 24.9 24.3 42.9 76.6 75.4...

ID Salary Compa- Midpoint ratio Age Performance Service Gender Rating Raise Degree Gender Grade 1 Copy Employee Data set to this page. The ongoing question that the weekly assignments will focus on...

Set Week Three During this week, we will look at ways of testing multiple (more than two) data samples at the same time. We will continue to use the data and assignment file that we opened in Week 2,...

** You can use EXCEL or any other software. ** You need to include your printout in your submissions. The layout and format of the paper should include the following sections: Title page, Abstract,...

ID Salary 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 65.1 27 36.1 61.4 46.6 73.3 39.7 23.2 74.6 22.8 23.4 62 40.7 23 24 51.1...

It is common practice to compute an analysis of variance table in conjunction with an estimated multiple regression. Carefully explain what can be learned from such a table.

Decomposition typically occurs quickly in moist tropical forests. However, waterlogging in the soil of some moist tropical forests results over time in a buildup of organic matter called. peat. In a...

is expected to generate cash inflows of $ 4 , 0 0 0 for four years. Project B costs $ 1 0 , 0 0 0 and is expected to generate a single cash flow in year 4 of $ 2 0 , 0 0 0 . The cost of capital is 1...

What is the dependent variable? What level of measurement is it? Mosfeldt et al. (2012) collected data on 792 patients age 60 or over who were admitted to a hospital in Denmark with a hip fracture...

Refer to Exercise 7.17, on compulsive buying behavior. The total credit card balance had a mean of $3399 and standard deviation of $5595 for 100 compulsive buyers and a mean of $2837 and standard...

A recent GSS asked, "How many days in the past 7 days have you felt sad?" Software reported sample means of 1.8 for females and 1.4 for males, with a 95% confidence interval comparing them of (0.2,...

For the 2006 GSS, a comparison of females and males on the number of hours a day that the subject watched TV gave:

1. Jonny Rollins was given a car to use by his employer Kline Corporation. The car was purchased for $20,000 including HST. Rollins drove the car for a total of 26,000 km during 2021 and 9,000 kms...

Anne Teak's Knick Knack Store uses the periodic inventory system. On January 1, it had a beginning inventory of 33 crates of knick knacks at a cost of $1,520 per case. During the year, it made the...

White Diamond Flour Company manufactures flour by a series of three processes, beginning with wheat grain being introduced in the Milling Department. From the Milling Department, the materials pass...