Researcher study how the average weight of children changes
Course:- Other Subject
Reference No.:- EM13320464

Assignment Help
Expertsmind Rated 4.9 / 5 based on 47215 reviews.
Review Site
Assignment Help >> Other Subject

A researcher wishes to study how the average weight Y (in kilograms) of children changes during the first year of life. He plots these averages versus the age X (in months) and decides to fit a least-squares regression line to the data with X as the explanatory variable and Y as the response variable. He computes the following quantities.

r = correlation between X and Y = 0.9 J = mean of the values of X = 6.5

M = mean of the values of Y = 6.6 Sx = standard deviation of the values of X = 3.6

Sy = standard deviation of the values of Y = 1.2

The slope of the least-squares line is

Put your comment

Ask Question & Get Answers from Experts
Browse some more (Other Subject) Materials
Mentors within an organization can help map out what areas the individual is most interested in and help the person see what opportunities are available within the organizatio
List the names of all nutrients that remained below 80 percent RDA after correcting and changing the menu. Indicate the long-term effects of inadequate intake over time for
This paper will address a current health care topic of gun use that relates to this class (Health Care management) or an extension of subject matter addressed in this class.
Today, the Internet provides an unprecedented amount of information by way of blogs, videos, and podcasts. Conduct a critique of one blog, one video, and one podcast, which
Can someone help with how instructors would introduce themselves in the informal classroom meeting area and (2) to describe what they think when they hear the word "psycholo
Develop a Level map to detail the control points (specific functions and processes) of the selected control area, and then develop Level 3 maps to identify control element
You will write a 600-1000 word essay addressing the following topic: foundational to the Christian faith is the belief that people are made in the image of God (Gen 1:26-27)
Describe the organization of police agencies at the local, state, and federal level. Describe the civil service system and how it affects police organization. Select a city an