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

Author Question: If we know that a set of test scores has a mean of 75 and a standard deviation of 8, we would ... (Read 45 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jun 20, 2018
If we know that a set of test scores has a mean of 75 and a standard deviation of 8, we would conclude that
 
  a. the average deviation from the mean is about 8 points.
  b. the average person will have a score of 75 + 8 = 83.
  c. more people are above 75 than below it.
  d. You can't tell anything about how scores lie relative to the mean.

Question 2

The standard deviation for the numbers 8, 9, and 10 is
 
  a. -3.0
  b. 0.0
  c. .67
  d. 1.0


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Natalie4ever

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jun 20, 2018
Answer to Question 1

A

Answer to Question 2

D


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jun 20, 2018
:D TYSM

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Pichia test Pichia test
A Test for the Blind Spot A Test for the Blind Spot
Elementary particles included in the Standard Model Elementary particles included in the Standard Model
Common Blood Test Groups Common Blood Test Groups
Use the test light to check for voltage at terminal 30 of the relay. The ignition may have to be in ... Use the test light to check for voltage at terminal 30 of the relay. The ignition may have to be in ...
The Mantoux tuberculin skin test. Positive reaction. The Mantoux tuberculin skin test. Positive reaction.
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library