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

Author Question: Based on data from two very large independent samples, two students tested a hypothesis about ... (Read 248 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
on: Aug 30, 2019

Question 1

Trainers need to estimate the level of fat in athletes to ensure good health. Initial tests were based on a small sample but now the trainers double the sample size for a follow-up test. The main purpose of the larger sample is to…
◦ decrease the standard deviation of the sampling model.
◦ reduce confounding due to other variables.
◦ decrease the variability in the population.
◦ reduce non-response bias.
◦ reduce response bias.

Question 2

Based on data from two very large independent samples, two students tested a hypothesis about equality of population means using α = 0.02. One student used a one-tail test and rejected the null hypothesis, but the other used a two-tail test and failed to reject the null hypothesis. Which of these might have been their calculated value of t?
◦ 2.66
◦ 1.22
◦ 2.22
◦ 1.55
◦ 1.88
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 fasfsadfdsfa on Aug 30, 2019

epscape

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Aug 30, 2019
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 32% of students answer this correctly


fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554
Reply #2 on: Aug 30, 2019
Thank you!


epscape

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Aug 30, 2019
Always glad to help...


« previous next »
 

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ... Whites pour mustard and ketchup over black (and white) students who were integrating a lunch counter ...
Hospice care is based on the belief that when death is inevitable, professional caregivers should ... Hospice care is based on the belief that when death is inevitable, professional caregivers should ...
How to calculate the mean for grouped data How to calculate the mean for grouped data
Products like Beano contain enzymes that help reduce the production of gas in the large intestine Products like Beano contain enzymes that help reduce the production of gas in the large intestine
data data
Genetic Drift in Large and Small Populations Genetic Drift in Large and Small Populations
Video: Causes of Acne

For a complete list of videos, visit our video library