Author Question: Discuss three measures of central tendencyNmean, median, mode. Which is the most widely used? ... (Read 85 times)

Caiter2013

  • Hero Member
  • *****
  • Posts: 607
Discuss three measures of central tendencyNmean, median, mode. Which is the most widely used?
 
  What will be an ideal response?

Question 2

When more cases in a distribution curve are in the extreme upper or lower areas of the curve, the curve is no longer bell-shaped; it becomes __________.
 
  Fill in the blanks with correct word



robbielu01

  • Sr. Member
  • ****
  • Posts: 336
Answer to Question 1

Central tendency is one number that summarizes the center or main tendency in a set of numbers. Mean is the arithmetic average, computed by adding all scores and dividing the total by the number of scores. It is the most widely used. Median is the middle point and the 50th percentile. Half the cases are above it and half are below it. Arrange scores from lowest to highest, count the scores and the score in the very middle is the median. If there are an even number of scores, take the two middle scores and divide by two to get the median. Mode is the score that appears most frequently. It is easiest to compute
but the least useful measure of central tendency.

Answer to Question 2

skewed



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

For a complete list of videos, visit our video library