Question: 4. The Boston data set is a built-in dataset in the MASS library of R. Assume the variable medv in the Boston data set is

4. The "Boston" data set is a built-in dataset in the "MASS" library of R. Assume the variable "medv" in the Boston data set is approximately normally distributed. (a) Test the null hypothesis that the mean "medv" for the population is 21.5 against the alternative hypothesis that it is greater than 21.5 at significance level of 5%. (b) Test the null hypothesis that the mean "medv" for the population is 22 against the alternative hypothesis that it is greater than 22 at significance level of 5%

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 Mathematics Questions!

7. The "Boston" data set is a built-in dataset in the "MASS" library of R. Assume the variable "medv" in the Boston data set is approximately normally distributed. Treating the data as a sample from...

3. The "Boston" data set is a built-in dataset in the "MASS" library of R. The "Boston" data set contains information about the housing values in suburbs of Boston city. First, load the "Boston" data...

The "Boston" data set is a built-in dataset in the "MASS" library of R. The "Boston" data set contains information about the housing values in suburbs of Boston city. First, load the "Boston" data...

4 Assignment 4 consists of a theory component (4A, worth 80%) and a computer component (4B, worth 20%). The grades allocated are summarized below. Assignment Grade weight Assignment 4A. Theory...

One important measure of workers' performance is their attendance record. A personnel manager at a large company with a serious absenteeism problem undertook a two-year study. She took a random...

Assignment 4A. Theory Component Show your work for this component. Where relevant, keep all your middle work as well as your final answer to a minimum of four decimals, unless otherwise stated. For...

Student: allan cranford Date: 9/13/16 Instructor: Basu Dipanker Course: MAT-240-Q6622-16EW6 Assignment: 5-2 MyStatLab: Module Five Problem Set 1. Determine whether the following sampling is dependent...

Correlation Anolysis D Correlation Is a measure of the relationship between two [2] variables. D It Is a measure of how things are related. D The study of how variables are correlated ls called...

using rstudio 4. Using the Boston data set of library MASS, fit classification models in order to predict whether a given suburb has a house value (medu) above or below the median (median(medu)). In...

Number of cash days Financial statement data for Newton Company for the years ended December 31 are as follows: 20Y9 20Y8 Cash (year-end) $25,500 $24,250 Short-term investments (year-end) 8,270 9,460...

RECORD THE FOLLOWING TRANSACTION ON THE TRANSACTION DATE AND ON DEC. 31ST 1. On March 31st, the company purchased a machine costing $4,400,000. In return of the machine, the company paid $500,000...

Suppose your marginal tax rate for state, federal, and Social Security taxes is 2 5 percent. Through your employer, you can purchase family health insurance in a group plan for $ 9 5 0 0 per year....

Q3: (Please don't use handwriting + please read the attached because the answer should be from the attached) What are the major motivational issues at play in the fast food industry according to the...

Discuss how technology impacts HRD evaluation

Discuss how various individual differences affect the learning process

Explain the importance of identifying individual performance deficiencies and developmental needs in planning and developing training and HRD programs