This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The amount of time single men and women spend on house work is measured for 15 single women and 25 ... (Read 188 times)

renzo156

  • Hero Member
  • *****
  • Posts: 526
on: Jul 24, 2018
The amount of time single men and women spend on house work is measured for 15 single women and 25 single men. For the women the mean was 7 hours/week with a standard deviation of 1.5 . For the men the mean was 4.5 hours/week with a standard deviation of 1.1 . What is the value of the pooled standard deviation for the difference in mean time spent on housework between single men and women?
 a. 1.30
  b. 0.45
  c. 1.59
  d. 1.26

Question 2

For each study, decide if the two samples are independent samples or paired samples. A group of 50 students had their blood pressures measured before and after watching a movie containing violence. The mean blood pressure before the movie was compared with the mean pressure after the movie.
 a. Independent samples
  b. Paired samples


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

phuda

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 24, 2018
Answer to Question 1

D

Answer to Question 2

B


renzo156

  • Member
  • Posts: 526
Reply 2 on: Jul 24, 2018
Wow, this really help

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

More than nineteen million Americans carry the factor V gene that causes blood clots, pulmonary embolism, and heart disease.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Single atoms form the nodes of an elementary quantum network Single atoms form the nodes of an elementary quantum network
More young men than women live in their parents’ homes, though the proportion for both decreases ... More young men than women live in their parents’ homes, though the proportion for both decreases ...
Beta Ghiorghis (House of St. George), Lalibela, Ethiopia. Beta Ghiorghis (House of St. George), Lalibela, Ethiopia.
Typical Work Settings for Massage Therapists Typical Work Settings for Massage Therapists
Priam Painter: Women at a Fountain House Priam Painter: Women at a Fountain House
The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p The age-adjusted rate of melanoma, a deadly form of skin cancer, from 1973 to 2000. Over that time p
Video: Mutations and translation

For a complete list of videos, visit our video library