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 274 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?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

The intermediate-disturbance hypothesis of community organization. The intermediate-disturbance hypothesis of community organization.
Large white butterfly egg Large white butterfly egg
A model for factor-independent termination of transcription A model for factor-independent termination of transcription
Inferring Productivity from Data on Output and Factor Accumulation Inferring Productivity from Data on Output and Factor Accumulation
Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia). Type III curve. Mortality is highest early in life. Data for a desert shrub (Cleome droserifolia).
Students working around a computer Students working around a computer
Video: Pneumonia Animation

For a complete list of videos, visit our video library