What is the standard deviation of the predictor variable

Assignment Help Basic Statistics
Reference no: EM133245843

A nurse is interested in whether there is a relationship between daily levels of stress and likelihood of a heart attack. The stress scores (predictor variable) and risk of heart attack values (criterion variable) from a small sample of participants are depicted below (Values below are valid for this question only!)

Stress Score                                Risk of Heart Attack

(Higher values = more stress)     (Higher values = greater risk) 
     
      6                                                     8 
      7                                                     6 
      4                                                     4 
      1                                                     2 

What is the standard deviation of the predictor variable?

Reference no: EM133245843

Questions Cloud

Chocolate chips per cookie for big chip cookies : Deon wants to advertise how many chocolate chips are in each Big Chip cookie at his bakery. He randomly selects a sample of 64 cookies and finds that the number
What insight could this provide about behavior : What insight could this provide about behavior in the 2000 presidential election
Find the value of p : Find the value of P(X=4). Round your answer to one decimal place.
What is a conditional probability : 1. What is a conditional probability? Give an explanation in words and also provide the symbol(s) used.
What is the standard deviation of the predictor variable : A nurse is interested in whether there is a relationship between daily levels of stress and likelihood of a heart attack. The stress scores (predictor variable)
What is the probability : Nataly has a bag which contains 10 limes that she bought from a farmer, the farmer marked each lime with a red and a blue marker, if the lime is marked blue mea
What temperature will a fahrenheit thermometer read : At what temperature will a Fahrenheit thermometer read the same as a Celsius? thermometer?
Compute the arithmetic mean for real gdp : 1. Compute the arithmetic mean for real GDP over the last two decades: from 2001 to 2020. (Just put the numerical value of the mean, measured in billion dollars
Paralegal in law firm : Suppose you are a paralegal in a law firm. Imagine you did: Have you violated any ethical rules? Has an attorney-client relationship been established?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Statistics-probability assignment

MATH1550H: Assignment:  Question:  A word is selected at random from the following poem of Persian poet and mathematician Omar Khayyam (1048-1131), translated by English poet Edward Fitzgerald (1808-1883). Find the expected value of the length of th..

  What is the least number

MATH1550H: Assignment:  Question:     what is the least number of applicants that should be interviewed so as to have at least 50% chance of finding one such secretary?

  Determine the value of k

MATH1550H: Assignment:  Question:     Experience shows that X, the number of customers entering a post office during any period of time t, is a random variable the probability mass function of which is of the form

  What is the probability

MATH1550H: Assignment:Questions: (Genetics) What is the probability that at most two of the offspring are aa?

  Binomial distributions

MATH1550H: Assignment:  Questions:  Let’s assume the department of Mathematics of Trent University has 11 faculty members. For i = 0; 1; 2; 3; find pi, the probability that i of them were born on Canada Day using the binomial distributions.

  Caselet on mcdonald’s vs. burger king - waiting time

Caselet on McDonald’s vs. Burger King - Waiting time

  Generate descriptive statistics

Generate descriptive statistics. Create a stem-and-leaf plot of the data and box plot of the data.

  Sampling variability and standard error

Problems on Sampling Variability and Standard Error and Confidence Intervals

  Estimate the population mean

Estimate the population mean

  Conduct a marketing experiment

Conduct a marketing experiment in which students are to taste one of two different brands of soft drink

  Find out the probability

Find out the probability

  Linear programming models

LINEAR PROGRAMMING MODELS

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd