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 93 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
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 380 with a standard deviation of 20 on a standardized test. Assuming a bell-shaped distribution, where would approximately 95% of the students score?
◦ between 340 and 420
◦ below 340 or above 420
◦ between 320 and 440
◦ below 320 or above 440
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 gonzo233 on Jan 16, 2020

Joy Chen

  • Sr. Member
  • ****
  • Posts: 354
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


gonzo233

  • Member
  • Posts: 557
Reply 2 on: Jan 16, 2020
Wow, this really help

sarah_brady415

  • Member
  • Posts: 328
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

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?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Effects of growth rate on development. Effects of growth rate on development.
The effects of Vodka, a chronicle The effects of Vodka, a chronicle
Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to Laboratory mice demonstrate that genetic differences can have profound effects on the propensity to
Effects of a Targeted Deletion of the μ Opiate Receptor Effects of a Targeted Deletion of the μ Opiate Receptor
A visual inspection on this battery showed that the electrolyte level was below the plates in all ... A visual inspection on this battery showed that the electrolyte level was below the plates in all ...
Reaction 7: The First Substrate-Level Phosphorylation Reaction 7: The First Substrate-Level Phosphorylation
Video: Mendel's Principles of Dominance, Segregation and Independent Assortment

For a complete list of videos, visit our video library