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

Author Question: A study was designed to investigate the effects of two variables - (1) a student's level of ... (Read 95 times)

Davideckstein7

  • Hero Member
  • *****
  • Posts: 555
on: Jan 16, 2020
A study was designed to investigate the effects of two variables - (1) a student's level of mathematical anxiety and (2) teaching method - on a student's achievement in a mathematics course. Students who had a low level of mathematical anxiety were taught using the traditional expository method. These students obtained a mean score of 500 with a standard deviation of 40 on a standardized test. Assuming a bell-shaped distribution, what percentage of scores exceeded 420?
◦ approximately 95%
◦ approximately 84%
◦ approximately 97.5%
◦ approximately 2.5%
Statistics: Informed Decisions Using Data ¦ Sullivan ¦ 5th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Davideckstein7 on Jan 16, 2020

CourtneyCNorton

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jan 16, 2020
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 25% of students answer this correctly


Davideckstein7

  • Member
  • Posts: 555
Reply 2 on: Jan 16, 2020
Gracias!

cpetit11

  • Member
  • Posts: 321
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

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?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Lynx-hare interactions have served as a model system for the study of the effects o Lynx-hare interactions have served as a model system for the study of the effects o
Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o Testing the effects of long-term fertilizing on inter-actions between mycorrhizal fungi and plants o
Multisystem effects of rheumatoid arthritis. Multisystem effects of rheumatoid arthritis.
Effects of Force Feeding Effects of Force Feeding
Effects of uncompetitive inhibition on enzyme kinetics Effects of uncompetitive inhibition on enzyme kinetics
A student creates a new blog about chemistry. A student creates a new blog about chemistry.
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library