Measures of Variation Calculation Quiz

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson
Download our mobile app to listen on the go
Get App

Questions and Answers

Which measure of variation is used to describe the degree to which scores or observations are scattered?

  • Variance
  • Range
  • Mean deviation
  • Standard deviation (correct)

What does the quartile deviation measure?

  • Variability
  • Homogeneity of scores (correct)
  • Central tendency
  • Mean deviation

How does Professor Cruz's class performance differ from Professor Perez's?

  • Lower scatter (correct)
  • Higher range
  • Higher variability
  • Higher central tendency

What do measures of central tendency describe in a distribution of scores?

<p>Central point (B)</p> Signup and view all the answers

Which measure is not considered a measure of variation?

<p>Interpretation (D)</p> Signup and view all the answers

What is the primary difference between measures of central tendency and measures of variation?

<p>Central point description (C)</p> Signup and view all the answers

What is the size of the class interval?

<p>6 (B)</p> Signup and view all the answers

What is the midpoint of the third class interval?

<p>39.5 (B)</p> Signup and view all the answers

What is the lower limit of the 6th class interval?

<p>55 (B)</p> Signup and view all the answers

What is the upper boundary of the 5th class interval?

<p>54.5 (D)</p> Signup and view all the answers

How many mayors are younger than 54.5 years?

<p>48 (D)</p> Signup and view all the answers

What is the most reliable and sensitive measure of central tendency?

<p>Mean (B)</p> Signup and view all the answers

In what form does the mean come for ungrouped data?

<p>Simple Mean and Weighted Mean (D)</p> Signup and view all the answers

Which measure of central tendency is commonly referred to as the 'average'?

<p>Mean (A)</p> Signup and view all the answers

How is the simple mean calculated for a set of values?

<p>Divide the sum of all values by the total number of values (D)</p> Signup and view all the answers

What formula is used to calculate the simple mean for ungrouped data?

<p>$\overline{x} = \frac{1}{n} \sum\limits_{i=1}^{n} x_i$ (A)</p> Signup and view all the answers

In a 25-item test, if the scores are 12, 15, 14, 16, 17, 18, and 20, what is the mean score of the students?

<p>$15$ (D)</p> Signup and view all the answers

Flashcards are hidden until you start studying

More Like This

Statistics Homework 3.2 Flashcards
18 questions
Statistics: Measures of Variability Quiz
5 questions
Measures of Variation in Statistics
8 questions

Measures of Variation in Statistics

ExemplaryRationality5186 avatar
ExemplaryRationality5186
Use Quizgecko on...
Browser
Browser