DPS5018 by Victor Soh https://padlet.com/mmuvictor/DPS5018_topic_3 Topic 3 (week 5-6) en-us 2016-06-27 14:32:51 UTC 2025-09-24 02:04:42 UTC hello@padlet.com https://padlet-assets.s3.amazonaws.com/icons/Shakinghands.png MMLS Notes mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/115516854 These are what you need to know about Topic 3


Numerical Descriptive Measures 
  • 3.1) Measures of Central Tendency
  • 3.2) Measures of Variation
  • 3.3) Five-Number Summary
  • 3.3) Boxplots
]]> 2016-06-27 14:53:20 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/115516854 Bonus Marks mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/115517736 Post good learning materials over here to get your Bonus Marks :)]]> 2016-06-27 15:06:02 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/115517736 3.3) Boxplots mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116010050 http://hotmath.com/hotmath_help/topics/box-and-whisker-plots.html]]> 2016-07-06 15:32:34 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116010050 Video Lectures mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116497649 3.1 to 3.2) Summation Notation

3.1a) What is Central Tendency

3.1b) Measures of Central Tendency

3.1c) Median and Mean
3.1d) Comparing Measures of Central Tendency

3.3a) Percentile

3.3b) Box Plots

3.3c to 3.2) Measures of Variability

3.1 to 3.2) How to calculate Sample Standard Deviation in Excel
]]> 2016-07-16 17:26:20 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116497649 Analysis of Week 3 Class activity (and Week 4 Tutorial) using Microsoft Excel mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116551800 This file contains all the statistics described in the above "Summarized and Detailed Notes for Week 4 Tutorial"; except that all those statistics are calculated by Microsoft Excel (for those interested to see how to use Microsoft Excel to calculate all those statistics)]]> 2016-07-18 10:19:36 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116551800 Midterm Exam Example 1 (Solution) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552276 2016-07-18 10:35:48 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552276 Midterm Exam Example 2 (Solution) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552353 2016-07-18 10:37:45 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552353 Midterm Exam Example 1 mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552501 2016-07-18 10:42:18 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552501 Midterm Exam Example 2 mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552604 2016-07-18 10:44:56 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116552604 Final Exam Example (Solution) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116553017 2016-07-18 10:53:32 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116553017 Final Exam Example mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116553661 2016-07-18 11:17:03 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116553661 Summarized and Detailed Notes for Week 4 Tutorial mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116689364 The following topics are covered in this notes:
3.1) Measures of Central Tendency
3.2) Measures of Variation
3.3) Five-Number Summary
3.3) Boxplots]]> 2016-07-20 10:59:55 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116689364 Summarized and Detailed Notes for Week 3 Tutorial mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116733869 The following topics are covered in this notes:
1.2) Population vs. Sample
1.2) Symbols used to denote various statistics and parameter
1.4) Simple Random Sampling via Coin Flipping
2.3) Graphs and Charts: Histogram
3.1) Measures of Central Tendency: Mean
8) Inferential Statistics: The best estimate for a population mean is the mean of the sample distribution of the sample means ]]> 2016-07-21 02:47:33 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116733869 3.3) You can use any formulae to calculate 1st Quartile (Q1) and 3rd Quartile (Q3) during all DPS5018 exams mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116735595 As long as 25% of the data lies between Q1 and Q2, and 25% of the data lies between Q2 and Q3, you will get full marks in your DPS5018 exams (related to calculating Q1 and Q3).

Therefore, you can use the method I shared during our tutorial, or its many variants:
You may even use Microsoft Excel's way of calculating Q1 and Q3, if it fancies you :)
]]> 2016-07-21 03:11:24 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116735595 Summarized and Detailed Notes for Week 4 Lecture mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116736048 The following topics are covered in this notes:
1.2) Population vs. Sample
1.2) Symbols used to denote various statistics and parameter
1.4) Simple Random Sampling via Dice Rolling
2.3) Graphs and Charts: Histogram
3.1) Measures of Central Tendency: Mean
3.2) Measures of Variation: Standard Deviation
5.2) The Mean and Standard Deviation of a Discrete Random Variable
6) The Normal Distribution
8) Hypothesis Tests about a Population Mean]]> 2016-07-21 03:19:54 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116736048 Example Application of Boxplot for Outlier Detection mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116736411 Beginner Level
Advanced Level
]]> 2016-07-21 03:29:09 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116736411 Example Application of Descriptive Statistics for Selecting the Best Job Candidate to Hire mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116866145 2016-07-24 11:45:24 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116866145 Tutorial Set mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116928752 final 1415.pdf
  • Section A:
    • Q6
  • Section B:
    • Q4
  • Section C:
    • Q1a, Q1b

final 1516.pdf
  • Section B:
    • Q1b
]]> 2016-07-25 13:58:31 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116928752 Proof that Sample Variance is Unbiased mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116946129 If you would like to "see the mathematical proof" on why we need to divide by n-1 (instead of n) when calculating sample variance, feel free to check out any of the links below:]]> 2016-07-25 20:40:42 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116946129 3.2) Standard Deviation and Variance mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958202
  • http://www.mathsisfun.com/data/standard-deviation.html
  • http://www.mathsisfun.com/data/standard-deviation-formulas.html
    • ]]>     2016-07-26 00:07:33 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958202     3.1) Measures of Central Tendency mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958450 http://www.mathsisfun.com/data/central-measures.html]]> 2016-07-26 00:11:13 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958450 3.1) The Mean from Grouped Frequencies mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958605 https://www.mathsisfun.com/data/frequency-grouped-mean-median-mode.html]]> 2016-07-26 00:13:21 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958605 3.1) The Mean from a Frequency Table mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958637 http://www.mathsisfun.com/data/mean-frequency-table.html]]> 2016-07-26 00:13:53 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958637 3.2) Standard Deviation Calculator mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958965 http://www.mathsisfun.com/data/standard-deviation-calculator.html]]> 2016-07-26 00:18:12 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116958965 3.3) Range mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116959028 http://www.mathsisfun.com/data/range.html]]> 2016-07-26 00:19:15 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/116959028 Various Statistics for Grouped Data (out of syllabus) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117022010 http://people.umass.edu/biep540w/pdf/Grouped%20Data%20Calculation.pdf]]> 2016-07-26 20:57:40 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117022010 Revision of Topic 2 & 3 in Week 5 Lecture mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117022215 Q1) Draw a stem-and-leaf plot for the dataset {1,1,2,3,5,8,13}

    Q2) Calculate all the statistics covered in DPS5018 for the sample dataset {1,1,2,3,5,8,13}

    Q3) Calculate all the statistics covered in DPS5018 for the population dataset {1,1,2,3,5,8,13}

    Q4) Construct the frequency distribution table for the dataset {1,1,2,3,5,8,13}, then:
    • Draw a histogram and pie chart to visualize that frequency distribution table
    • Calculate all the statistics covered in DPS5018 for the sample dataset described by that frequency distribution table
    • Calculate all the statistics covered in DPS5018 for the population dataset described by that frequency distribution table

    Q5) Construct the grouped frequency distribution table for the dataset {1,1,2,3,5,8,13} with [0, 10) as its first class interval, then:
    • Draw a histogram and pie chart to visualize that grouped frequency distribution table
    • Calculate all the statistics covered in DPS5018 for the sample dataset described by that grouped frequency distribution table
    • Calculate all the statistics covered in DPS5018 for the population dataset described by that grouped frequency distribution table

    P.S. {1,1,2,3,5,8,13} is the first seven numbers in the Fibonacci sequence :)
    ]]>     2016-07-26 21:02:51 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117022215     Measures of Shape: Skewness and Kurtosis (out of syllabus) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117023957 http://brownmath.com/stat/shape.htm]]> 2016-07-26 21:35:55 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117023957 Extra Video Lectures from Khan Academy mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117244465 24 Videos on Descriptive statistics]]> 2016-07-31 16:09:08 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117244465 Example Application of Standard Deviation for measuring the AC (alternating current) portion of a signal mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117246085 In electronics, the mean measures the DC (direct current) value; whereas the standard deviation measures the AC (alternating current) value.

    The attached figure shows the relationship between the standard deviation and the peak-to-peak value of several common waveforms.

    Source:]]>     2016-07-31 17:43:34 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117246085     Summarized and Detailed Notes for Week 6 "Deal or No Deal" game mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564684 The following topics are covered in this notes:
    3.1) Measures of Central Tendency: Mean
    3.2) Measures of Variation: Standard Deviation]]>     2016-08-04 21:08:50 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564684     Analysis of Week 6 "Deal or No Deal" game using Microsoft Excel mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564800 This file contains all the statistics described in the above "Summarized and Detailed Notes for Week 6 'Deal or No Deal' game"; except that all those statistics are calculated by Microsoft Excel (for those interested to see how to use Microsoft Excel to calculate all those statistics)]]> 2016-08-04 21:11:03 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564800 Students' "Deal or No Deal" algorithm mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564984 This file contains various algorithms submitted by students during their Week 6 Lecture]]> 2016-08-04 21:16:16 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/117564984 Deriving the Shortcut Formulae for both Sample and  Population Variance  mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118256872 https://www.saddleback.edu/faculty/pquigley/math10/shortcut.pdf]]> 2016-08-15 08:46:17 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118256872 final 1415 (Solutions) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118769432 2016-08-18 15:15:22 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118769432 final 1516 (Solutions) mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118769510 2016-08-18 15:15:46 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118769510 Supp Exams mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118814524 Trim 3, 2015/2016
    • Q2a(ii), Q2c, Q2d

    Trim 2, 2015/2016
    • Section A:
      • Q11
    • Section B:
      • Q1c, Q1e

    Trim 2, 2014/2015
    • Section C:
      • Q1a, Q1b(ii)
    ]]>     2016-08-18 18:31:07 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118814524     Shortcut to Main Menu mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118872953 https://padlet.com/mmuvictor/DPS5018_main]]> 2016-08-19 06:36:30 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/118872953 Practice Problems mmuvictor https://padlet.com/mmuvictor/DPS5018_topic_3/wish/121499924 Mean, Mode, Median

    Organizing and Interpreting Data

    Percentiles and Quartiles
    ]]>     2016-09-04 19:53:34 UTC https://padlet.com/mmuvictor/DPS5018_topic_3/wish/121499924