This topic contains a solution. Click here to go to the answer

Author Question: Based on data from two very large independent samples, two students tested a hypothesis about ... (Read 271 times)

fasfsadfdsfa

  • Hero Member
  • *****
  • Posts: 554

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


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
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




epscape

  • Sr. Member
  • ****
  • Posts: 335

 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

For a complete list of videos, visit our video library