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

Author Question: A test given to a group of 30 students has a mean of 24 and a standard deviation of 3 . A second ... (Read 61 times)

cagreen833

  • Hero Member
  • *****
  • Posts: 544
on: Jun 20, 2018
A test given to a group of 30 students has a mean of 24 and a standard deviation of 3 . A second test given to the same group of students also had a mean of 24 but had a standard deviation of 4 . Based on this information, which of the following is the most valid conclusion.
 
  a. The students performed better on the second test, since the standard deviation is higher.
  b. The average on the second test is higher than on the first test.
  c. The median on the second test is higher than on the first test.
  d. The students' scores on the second test spread out more than they did on the first test.

Question 2

How did Sandra's comment in the last paragraph (paragraph 11) illustrate one of the guidelines for preparing effective rules?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

joanwhite

  • Sr. Member
  • ****
  • Posts: 308
Reply #1 on: Jun 20, 2018
Answer to Question 1

d

Answer to Question 2

This indicates that she provides rationales for her rules.


cagreen833

  • Member
  • Posts: 544
Reply 2 on: Jun 20, 2018
:D TYSM

adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

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

Did you know?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Rinne Test, Assessing Bone Conduction Rinne Test, Assessing Bone Conduction
Urease Test Urease Test
Performing the whisper test Performing the whisper test
The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being The Impact of Cross-Ethnic Friendships on Minority Students’ Well-Being
Married or partnered couples within a visible minority mixed group Married or partnered couples within a visible minority mixed group
Emerson’s Three-Point Test-Cross Analysis Emerson’s Three-Point Test-Cross Analysis
Video: Gastrin (protein digestion)

For a complete list of videos, visit our video library