« previous next »

Author Question: Suppose the estimated regression line for predicting the high temperature of the day from the ... (Read 90 times)

Mimi

  • Hero Member
  • *****
  • Posts: 542
on: Jun 24, 2018

  Suppose the estimated regression line for predicting the high temperature of the day from the nighttime low temperature is y = 12 + 1.2x. What is the value for the residual when the nighttime low is 45 if the observed daytime high temperature is 70?
 

  a.-4
  b.4
  c.66
  d.25

Question 2


  What does the hypothesis H0: imply?
 

  a.It implies that the regression line does not have a y-intercept.
  b.It implies that x is necessary for predicting y.
  c.It implies that x has no value in predicting y.
  d.It implies that y is of no use in predicting x.


mcarey591

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jun 24, 2018
Answer to Question 1

correct: b

Answer to Question 2

correct: c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Taking a Patient’s Temperature with a Tympanic Thermometer Taking a Patient’s Temperature with a Tympanic Thermometer
Johannes Gutenberg, Page from the Forty-Two-Line Bible, Mainz. Johannes Gutenberg, Page from the Forty-Two-Line Bible, Mainz.
Selecting a Method for Measuring Body Temperature Selecting a Method for Measuring Body Temperature
Measuring Oral Temperature Using an Electronic Thermometer Measuring Oral Temperature Using an Electronic Thermometer
Rank-order correlations show that differential consistency remains high from childhood through late ... Rank-order correlations show that differential consistency remains high from childhood through late ...
A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ... A container with gasoline containing alcohol. Notice the separation line where the alcohol-water ...
Video: Regulation of GFR: autoregulation via myogenic mechanism Myogenic mechanism

For a complete list of videos, visit our video library