Measures of Position for Grouped Data
18 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the total frequency of the given data?

  • 50
  • 40
  • 55
  • 45 (correct)

In which class interval does the 3rd quartile belong?

  • 46–50
  • 31–35
  • 36–40 (correct)
  • 41–45

What should be the value of the less than cumulative frequency to be used if kth decile falls under class interval 36–40?

  • 40
  • 35 (correct)
  • 30
  • 25

What is the lower class boundary for the interval 31–35?

<p>30.5 (C)</p> Signup and view all the answers

What is the value of 𝐷4?

<p>42 (C)</p> Signup and view all the answers

What class interval should be used to get the 55th percentile?

<p>41–45 (A)</p> Signup and view all the answers

What is the formula to calculate the kth quartile for grouped data?

<p>𝑘𝑁 4 𝑄𝑘 = 𝐿𝐵 + [ − 𝑐𝑓 𝑏 𝑓𝑄𝑘 ] ×𝑖 (D)</p> Signup and view all the answers

What is the purpose of constructing the cumulative frequency column in solving the measures of position for grouped data?

<p>To calculate the measures of position for grouped data (D)</p> Signup and view all the answers

What is the value of k in the formula for the 7th decile?

<p>7 (B)</p> Signup and view all the answers

What is the formula to calculate the kth percentile for grouped data?

<p>𝑘𝑁 100 𝑃𝑘 = 𝐿𝐵 + [ − 𝑐𝑓 𝑏 𝑓𝑃𝑘 ] ×𝑖 (D)</p> Signup and view all the answers

What is the value of k in the formula for the median?

<p>1/2 (A)</p> Signup and view all the answers

What is the first step in solving the measures of position for grouped data?

<p>Construct the cumulative frequency column (C)</p> Signup and view all the answers

What is the class interval for Q1?

<p>2000 - 2999 (C)</p> Signup and view all the answers

What percentage of YouTubers in Marikina City have less than or equal to 2916 subscribers?

<p>25% (C)</p> Signup and view all the answers

What is the value of D7?

<p>5749.5 (C)</p> Signup and view all the answers

What is the purpose of finding the quartiles and deciles?

<p>To understand the distribution of data (D)</p> Signup and view all the answers

How many YouTubers are there in the data?

<p>50 (C)</p> Signup and view all the answers

What is the formula to find the kth class?

<p>k = kN / 4 (B)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Browser