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

Author Question: Fill in the blank. If both the sample standard deviation, s, and the population standard deviation, ... (Read 110 times)

sarasara

  • Hero Member
  • *****
  • Posts: 521
on: Jul 25, 2018
Fill in the blank. If both the sample standard deviation, s, and the population standard deviation, , are computed for the same data set, they will tend to be closer together if the data set is ___________.
 
  Fill in the blank(s) with correct word

Question 2

A researcher wished to assess the importance of exercise in weight-loss programs. 412 people, all considered to be at least 20 pounds overweight, volunteered to participate in a study. The participants were randomly assigned to one of two groups.
 
  Over a two-month period, the first group followed a particular diet but were instructed to perform no exercise other than walking. The second group followed the same diet but also performed aerobic exercise for one hour each day. At the end of the two months, the weight loss of each participant was recorded. The average weight loss was calculated for each group and it was found that the average weight loss for the second group was significantly greater than the average weight loss for the first group.
  A) Designed experiment B) Observational study


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

aprice35067

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 25, 2018
Answer to Question 1

large

Answer to Question 2

A


sarasara

  • Member
  • Posts: 521
Reply 2 on: Jul 25, 2018
YES! Correct, THANKS for helping me on my review

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

The bobcat population has seen declines in the American Midwest, but is generally stable and healthy The bobcat population has seen declines in the American Midwest, but is generally stable and healthy
Deviation of Normal Posture Deviation of Normal Posture
The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha The recent mass upheavals in Tunisia, Egypt, Libya, Yemen, and Syria gave political scientists a cha
Sample new patient registration form. Sample new patient registration form.
Population Distribution Population Distribution
What Is a Standard Drink? What Is a Standard Drink?
Video: Introduction to Herpes

For a complete list of videos, visit our video library