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

Author Question: Does regular exercise decrease the risk of cancer? A researcher finds 200 women over 50 who exercise ... (Read 118 times)

hbsimmons88

  • Hero Member
  • *****
  • Posts: 526
on: Jul 24, 2018
Does regular exercise decrease the risk of cancer? A researcher finds 200 women over 50 who exercise regularly, pairs each with a woman who has a similar medical history but does not exercise, then follows subjects for 10 years to see which group
 
  develops more cancer. This is a
  A) survey
  B) prospective study
  C) randomized experiment
  D) retrospective study
  E) matched experiment

Question 2

Which is true about sampling?
 
  I. An attempt to take a census will always result in less bias than sampling.
  II. Sampling error is usually reduced when the sample size is larger.
  III. Sampling error is the result of random variations and is always present.
  A) II and III B) I only C) I, II, and III D) II only E) III only
Stats: Modeling the World ¦ Bock, Velleman, De Veaux ¦ 4th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

vboyd24

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 24, 2018
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 45% of students answer this correctly


hbsimmons88

  • Member
  • Posts: 526
Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Everyone has one nostril that is larger than the other.

Did you know?

The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

skin cancer skin cancer
Patient teaching: health promotion to prevent osteroporosis in women Patient teaching: health promotion to prevent osteroporosis in women
Over the past four decades, the self-reported health of married men and women has remained high, ... Over the past four decades, the self-reported health of married men and women has remained high, ...
The Risk of Nuclear Power The Risk of Nuclear Power
Economic recession in 2008 saw a small decrease in demand Economic recession in 2008 saw a small decrease in demand
How long does exercise affect blood sugar? How long does exercise affect blood sugar?
Video: Introduction to Cystic Fibrosis

For a complete list of videos, visit our video library