Purchase Solution

Median, Quartile, Decile

Not what you're looking for?

Ask Custom Question

Kevin Horn is the national sales manager for National Textbooks, Inc. He has a sales staff of 40 who visit college professors all over the United States. Each Saturday morning he requires his sales staff to send him a report. This report includes, among other things, the number of professors visited during the previous week. Listed below, ordered from smallest to largest, are the number of visits last week.

38 40 41 45 48 48 50 50 51 51 52 52 53 54 55 55 55 56 56 57
59 59 59 62 62 62 63 64 65 66 66 67 67 69 69 71 77 78 79 79

a. Determine the median number of calls.
b. Determine the first and third quartiles.
c. Determine the first decile and the ninth decile.
d. Determine the 33rd percentile.

Purchase this Solution
Solution Summary

This Solution contains over 200 words and calculations to aid you in understanding the Solution to these questions.

Solution Preview

Hello!

Please find a detailed solution attached.

---

Kevin Horn is the national sales manager for National Textbooks, Inc. He has a sales staff of 40 who visit college professors all ...

Solution provided by:
Manal Elkhoshkhany, MBA
Education
  • BA, Ain Shams University, Cairo Egypt
  • MBA, California State University, Sacramento
Recent Feedback
  • "ty i have more need help with"
  • "ty i have jmore i need help with"
  • "great help"
  • "excellent help"
  • "Very helpful and easy to understand."
Purchase this Solution
Free BrainMass Quizzes
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.

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

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

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

View More Free Quizzes
Related BrainMass Solutions

  • Determining percentiles, quartiles and deciles

    The lower quartile is the median of the first 50% of the data. And the upper quartile is the median of the last 50% of the data. Q1 = (51+52)/2 => 103/2 => 51.5 Q3 = (66+66)/2 => 132/2 => 66 3.

  • Quartiles, Deciles, Percentiles

    QUARTILE DECILE PERCENTILE 13 minimum 13 13 1 10 20 26 27 2 20 31 34 1st quartile 34 3 30 34 35 35 4 40 36 37 38 median = average of 38 and 41 5 50 41 41 41 6 60 45 47 47 7 70 47

  • Descriptive Statistics

    , sample variance, kurtosis, skewness, range, minimum, maximum, sum count, largest(2), smallest(2), and estimate quartile one, quartile two, the first decile, and the ninth decile and the 67th percentile.

  • mean, median, first quartile, and third quartile

    Compute the mean, median, first quartile, and third quartile.

  • notion of the median

    One of them, is the notion of the median, the first and the third quartile (the median is the second quartile).

  • Median and Percentile

    Determine the median number of calls. 2. Determine the first and third quartiles. 3. Determine the first decile and the ninth decile. 4.

  • Data Set

    The solution computes the mean, median, mode, first quartile, and third quartile for data.

  • Find the First and Third Quartiles

    The first quartile may be approximately calculated by placing a group of values in ascending order and determining the median of the values below the true median, and the third quartile is approximately calculated by determining the median of the values

  • Mean, Median, Mode, Quartiles

    What is the median hotel room rate? c. What is the mode? d. What is the first quartile? e. What is the third quartile?

View More Related Solutions