Find the correlation coefficient
Given the following data set:
x 1 3 7 9 13 15
y 1 5 8 10 11 13
a. Find the correlation coefficient.
b. Using this to predict the value of y when x = 2.
c. Find the root mean square error.
Expected delivery within 24 Hours
According to the Internal Revenue Service, the mean tax refund for the year 2007 was $2,708. Assume the standard deviation is $650 and that the amounts refunded follow a normal probability distribution
A hydroponic garden uses the 10 m long perforated pipe system to deliver water at 20ºC. The pipe is 5cm in diameter and contains a circular hole every 20 cm. A pump delivers water at 75 kPa (gage) at the entrance, while the other end of the p
Apparently low-scoring students on the midterm do better on the final, but low scoring student on the final did better on the midterm. How is this possible?
A stainless steel tube of 1 cm outer diameter and 1mm wall thickness receives a uniform radiative heat flux of 100 W/cm^2 from a high temperature plasma over 180 degrees of its outer circumference.
Find the correlation coefficient. Using this to predict the value of y when x = 2. Find the root mean square error.
A single-pane glass window is used in a heated dwelling. Outside the dwelling, the ambient temperature is 0°C while the inside temperature is 22°C.
The quality control manager at a lightbulb factory needs to determine whether the mean life of a large shipment of lightbulbs is at least as long as the manufacturer claimed value of 375 hours. A random sample of 64 lightbulbs indicates a sample m
A stable nucleus contains many protons very close to each other, all positively charged. Why do the protons not fly apart due to mutual Coulomb repulsion?
The probability that a 52-year-old white male will live another year is .99386. What premium would an insurance company charge to break even on a one-year $1 million term life insurance policy?
1938957
Questions Asked
3,689
Active Tutors
1444133
Questions Answered
Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!
Question: Hanna is guiding her daughter through spelling words when she comes to the word tiger.
Australian adults who provided consent completed two online surveys which measured life-satisfaction and personality traits; and two ability tasks,
I completely agree with your points about random practice promoting a stronger motor learning through problem-solving.
Over the next three months, the client will work on using more healthy coping strategies and will learn about the different aspects of depression
Question: Which of the following terms refers to the sexual orientation that is attracted to the most inclusive group of people?
Question: The term "minority stress" describes: Need Assignment Help?
Question: Which of the following has perhaps the strongest association with delinquency?