Purchase Solution

Find the First and Third Quartiles

Not what you're looking for?

Ask Custom Question

Find the first and third quartiles, Q1 and Q3, of the following set of numbers.

13, 7, 15, 13, 13, 12, 9, 11, 19, 9

Purchase this Solution
Solution Summary

The solution provides detailed instructions and explanations on how to find the first and third quartiles.

Solution Preview

Please see attached file.

Solution
The first quartile of a group of values is the value such the 25% of the values fall at or below this value. The third quartile of a group of values is the value such that 75% of the values fall at or below this value. The ...

Purchase this Solution
Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Know Your Statistical Concepts

Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.

Measures of Central Tendency

This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

View More Free Quizzes
Related BrainMass Solutions

  • Calculating A-C as described

    Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for th information. b. Find the median and the first and third quartiles for the number of CDs owned by young adults.

  • Determining percentiles, quartiles and deciles

    79443 Determining percentiles, quartiles and deciles (See attached file for full problem description and data) Determine the median number of calls Determine the first and third quartiles Determine the first decile and the ninth decile Determine

  • Calculate First and Third quartiles

    (a) Find the first quartile (b) Find the third quartile With 9 data points, Q1 is position 2.5 and Q3 is position 7.5. (a) Q1 being the 2.5 position is simply the average of the values of the 2nd and 3rd positions.

  • Median and Percentile

    Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information. 2. Find the median and the first and third quartiles for the number of CDs owned by young adults.

  • Calculation of quartiles

    63844 Determine the median and the values corresponding to the first and third quartiles in tne following data.

  • Descriptive Statistics

    798 8 The Lion King 767 9 ET: The Extra-Terrestrial 757 10 Forest Gump 680 a) Find the median, first quartile and third quartiles for these gross earnings.

  • Median and Quartiles

    47630 Determine the median and the values corresponding to the first and third quartiles in the following data.

  • Solving Statistic Problems

    Find the median and the first and third quartiles for the number of CDs owned by senior citizens. Develop a box plot for the information. b. Find the median and the first and third quartiles for the number of CDs owned by young adults.

  • Sample statistics

    Compute the sample mean 196.1111 b.Compute the sample standard deviation See attached excel file for details. 27.34327 c.compute the median 194 d.compute the first and third quartiles first quartile:180, third quartile : 223 e.Which

View More Related Solutions