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 267 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

aruss1303

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ... Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...
Older people who exercise cognitive skills, like these chess players, retain those skills well into ... Older people who exercise cognitive skills, like these chess players, retain those skills well into ...
Leading Sites of Cancer Deaths in the United States, 2013 Leading Sites of Cancer Deaths in the United States, 2013
Oral Care of Cancer Patients Before, During, and After Therapy Oral Care of Cancer Patients Before, During, and After Therapy
Maternal age is the major risk factor for autosomal trisomies of all types. By age 42, about one in Maternal age is the major risk factor for autosomal trisomies of all types. By age 42, about one in
Concepts related to cancer affect the types of cancer Concepts related to cancer affect the types of cancer
Video: Gastrin (gastric emptying) & Secretin (buffering gastric acid)

For a complete list of videos, visit our video library