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 61 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
:D TYSM

ttt030911

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Human neurons are so small that they require a microscope in order to be seen. However, some neurons can be up to 3 feet long, such as those that extend from the spinal cord to the toes.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Effects of PYY on Activity of the Hypothalamus and OFC Effects of PYY on Activity of the Hypothalamus and OFC
Multisystem effects of multiple sclerosis. Multisystem effects of multiple sclerosis.
Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs Surface Fronts and Upper-Level Patterns: Cold Fronts and the Formation of Upper-Level Troughs
Collage of Student Faces Collage of Student Faces
Reaction 7: The First Substrate-Level Phosphorylation Reaction 7: The First Substrate-Level Phosphorylation
You have four guinea pigs for a genetic study. One male and one female are from a strain that ... You have four guinea pigs for a genetic study. One male and one female are from a strain that ...
Video: Effect of blood chemistry - stimuli, hyperventilation response and hypoventilation response

For a complete list of videos, visit our video library