R project for STA 108

Question Description

Directions

* Complete the following in R. ALL work must be done in R.

Column 1: sl: The three month salary of the subject in dollars (Y ).

Column 2: yd: The number of years since the subject earned their highest degree (X1) (i.e., years of experience).

Column 3: dg: The highest degree earned (doctorate, masters) of the subject (X2).

Column 4: sx: The gender of the subject (male, female) (X3)

Column 5: rk: The rank of the subject (assistant, associate, full) (X4)

he grades of a group of 1000 students in an exam are normally distributed with a mean of 70 and a

Question Description

  • The grades of a group of 1000 students in an exam are normally distributed with a mean of 70 and a standard deviation of 10. A student from this group is selected randomly.
    a) Find the probability that his/her grade is greater than 80.
    b) Find the probability that his/her grade is less than 50.
    c) Find the probability that his/her grade is between 50 and 80.
    d) Approximately, how many students have grades greater than 80?

How many people use their phole while crossing the side walk ?

Question Description

I will upload the project proposal for you to get an idea about my topic.

Then I will upload the instructions of the paper for you.

I will also upload the data I collected for this paper in an excel document.

I will also upload an old project example for you to get an idea of how I want mine done, don’t copy and paste or use the same words, its just for guidance.

Include graphs just like the example

STA 2023 Statistics My Math Lab Questions

Question Description

Hi there,

I need help with the following questions please on my math labs plus. I am trying to get an 85% or higher but I am stuck on a couple questions.

Chapter 7.2 (#3-16)

Chapter 9.2 (#1, 4-9, 11)

Chapter 10.1 (#6-9)

Chapter 10.2 (#2-13)

Chapter 10.3 (#2-9, & 11)

Chapter 11.1 (#4-11)

Once I find a tutor, I will send you additional information. Thank you in advanced for your help!

write a questions and answer it about statistics similar to the one attached

Question Description

write a question and answer it similar to the one attached bellow, any questions of your choice about statistics I attached an example make sure it is about statistics and has the same concept as the example attached. It should be easy, write any question of your choice and answer it should be about math statistics and has the similar concept about the example provided, will add a tip and good review.

Would you buy term life insurance given the negative expected value

Question Description

Maybe you have considered buying a term life insurance policy. The expected value Of any term life Insurance policy yields a positive expected value for the insurance company and a negative expected value for you. Meaning the insurance company will make profits by selling their insurance products. Would you still buy term life insurance? Why as why not? Are there any other examples other than the insurance that use this same concept?

Inferential Statistics Analysis and Writeup

Question Description

Please see the template, assignment instructions, and previously worked assignment to build Assignment 3.

Below are the notes I received on Assignment 2 (attached). Please correct this when building Assignment 3.

“The income variable sample size, n, is 30. There is thirty IDs listed which is the code name of the individuals in the sample.

The mean income is 100,611. You have an extra comma.

Your n is incorrect for all these.”

Thank you.

Topic 4 answer 1 DQ 2

Question Description

When you measure the effects, will drinking in fact be responsible for more wrecks? Or will it just cause people to drive fast and hence cause those wrecks? I hope everyone understands that both fast driving and drinking-and-driving are two independent variables, but you couldn’t often tell if one has an effect upon the other.

In this case, how do you make a determination about the qualitative vs. quantitative aspects? Thoughts?

Comment 3* T5 DQ1

Question Description

The use of technology has brought great benefits to patients and health professionals. The benefits of electronic health records include improving health care by improving all aspects of patient care, including safety, efficacy, patient focus, communication, education, timeliness, efficiency, and equity. In my organization, we use technology is every step of patient care since the patient is admitted to filled up information until the patient is discharged.

*** Please comment this***

I have 5 problems need to be solved in Excel. Each problem has to be in a siprit excel.

Question Description

SHORT PROBLEMS. EACH PROBLEM HAS TO BE IN SIPRIT EXCEL. NOT ALL IN ONE EXCEL.

I WILL ATTACH ALL 5 PROBLEMS BEFORE STARTING TO WORK ON IT. FOR EXAMPLE:

CA 6

Confidence intervals

– Solve problem #8.57 on page 261.

http://www.youtube.com/watch?v=h2uhzcOFS2s

Watch the above video and solve the problem on a Microsoft Excel worksheet and submit the MS Excel file and PDF on the Blackboard, prior to Midnight of the due date.