This topic contains a solution. Click here to go to the answer

Author Question: The mean age in months for preschool children was reported as 25.5. The standard deviation for Group ... (Read 254 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
The mean age in months for preschool children was reported as 25.5. The standard deviation for Group 1 was 3.4 and for Group 2, 4.9. From this, we may conclude that
 
  A) Group 1 is more variable than Group 2.
  B) the mode for Group 1 is higher than that for Group 2.
  C) Group 2 is more variable than Group 1.
  D) the median age for Group 2 is higher than that for Group 1.

Question 2

The standard deviation, variance, and range are all measures of
 
  A) central tendency.
  B) partition values.
  C) dispersion.
  D) grouping.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

allisonblackmore

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

C

Answer to Question 2

C




WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jun 20, 2018
Wow, this really help


smrtceo

  • Member
  • Posts: 344
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

For a complete list of videos, visit our video library