Draw a box and whisker plot of the data on the diagram below. 0--//--1----+----2----+----3----+----4----+----5----+----6----+---(00) Year and Month Cost Year and Month Cost 2012 Jan 509.64 2014 Jan 436.29 2012 Feb 425.31 2014 Feb 467.05 2012 Mar 274.67 2014 Mar 362.56 2012 Apr 129.70 2014 Apr 253.66 2012 May 125.58 2014 May 178.56 2012 Jun 145.76 2014 Jun 170.58 2012 Jul 191.35 2014 Jul 235.89 2012 Aug 195.34 2014 Aug 244.45 2012 Sep 209.81 2014 Sep 217.51 2012 Oct 123.59 2014 Oct 174.17 2012 Nov 293.23 2014 Nov 188.78 2012 Dec 290.42 2014 Dec 440.90 2013 Jan 353.91 2015 Jan 605.60 2013 Feb 368.92 2015 Feb 632.76 2013 Mar 283.82 2015 Mar 683.77 2013 Apr 259.27 2015 Apr 287.81 2013 May 136.18 2015 May 197.66 2013 Jun 206.34 2015 Jun 201.67 2013 Jul 236.05 2015 Jul 230.36 2013 Aug 222.06 2015 Aug 298.50 2013 Sep 230.80 2015 Sep 264.86 2013 Oct 157.94 2015 Oct 175.13 2013 Nov 190.37 2015 Nov 178.03 2013 Dec 310.56 2015 Dec 268.78
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Draw a box and whisker plot of the data on the diagram below.
0--//--1----+----2----+----3----+----4----+----5----+----6----+---(00)
Year and Month Cost Year and Month Cost
2012 Jan 509.64 2014 Jan 436.29
2012 Feb 425.31 2014 Feb 467.05
2012 Mar 274.67 2014 Mar 362.56
2012 Apr 129.70 2014 Apr 253.66
2012 May 125.58 2014 May 178.56
2012 Jun 145.76 2014 Jun 170.58
2012 Jul 191.35 2014 Jul 235.89
2012 Aug 195.34 2014 Aug 244.45
2012 Sep 209.81 2014 Sep 217.51
2012 Oct 123.59 2014 Oct 174.17
2012 Nov 293.23 2014 Nov 188.78
2012 Dec 290.42 2014 Dec 440.90
2013 Jan 353.91 2015 Jan 605.60
2013 Feb 368.92 2015 Feb 632.76
2013 Mar 283.82 2015 Mar 683.77
2013 Apr 259.27 2015 Apr 287.81
2013 May 136.18 2015 May 197.66
2013 Jun 206.34 2015 Jun 201.67
2013 Jul 236.05 2015 Jul 230.36
2013 Aug 222.06 2015 Aug 298.50
2013 Sep 230.80 2015 Sep 264.86
2013 Oct 157.94 2015 Oct 175.13
2013 Nov 190.37 2015 Nov 178.03
2013 Dec 310.56 2015 Dec 268.78
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