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 60 times)

big1devin

  • Hero Member
  • *****
  • Posts: 583
on: Feb 14, 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 370 with a standard deviation of 20 on a standardized test. Assuming no information concerning the shape of the distribution is known, what percentage of the students scored between 330 and 410?
◦ approximately 95%
◦ approximately 68%
◦ at least 89%
◦ at least 75%
Statistics ¦ McClave, Sincich, Tamarack ¦ 12th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by big1devin on Feb 14, 2020

amynguyen1221

  • Sr. Member
  • ****
  • Posts: 355
Reply #1 on: Feb 14, 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


big1devin

  • Member
  • Posts: 583
Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Results of the study by Laruelle et al. (1996) Results of the study by Laruelle et al. (1996)
Michelangelo, Study for the Libyan Sibyl. Michelangelo, Study for the Libyan Sibyl.
Zhang Huan, To Raise the Water Level in a Fishpond. Zhang Huan, To Raise the Water Level in a Fishpond.
Case Study of a Midlatitude Cyclone Case Study of a Midlatitude Cyclone
Effects of the Autonomic Nervous System Effects of the Autonomic Nervous System
Stone Massage: Beneficial Effects, Therapeutic Uses, and Contraindications Stone Massage: Beneficial Effects, Therapeutic Uses, and Contraindications
Video: Automated external defibrillator (AED)

For a complete list of videos, visit our video library