You must explain and present the different concepts using your own words and making sure it

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Project assignment in Descriptive Statistics

Question 1:

Explain the basic concepts used in descriptive Statistics, such as: 

population, sample, statistics, parameters, representative, observations, variance, standard deviation, cumulative graphs, different graphical forms of representation (i.e. the different diagrams), measures of the center of data, measures of the spread of data.

You must explain and present the different concepts using your own words and making sure it makes sense to the reader. Envision a 1st year IBB student who has not yet learned statistics – she should be able to understand your explanation. This part of the hand-in: max 2 pages.

Question 2:

Make a statistical analysis with data that are non-grouped. Your analysis must contain appropriate concepts from question 1

The table with labels is below. Fill in the blanks, using data of your own

Non-grouped observations

Index	Frequency hi	Relative frequency fi	Relative cumulative frequency Fi	Prod 1 xi*fi	Prod 2  (xi-x)^2*fi

Question 3:

Make an example of your own. The data are to be grouped and the analysis must contain all the concepts from question 1. Draw also some graphs that could be useful for your interpretation

Grouped observations

 

Index	Frequency hi	Rel. freq. fi	Rel.cum. freq. Fi	Mid-point mi	Upp.class limit	Prod 1 mi*fi	Prod 2  (mi-x)^2*fi
60-65
65-70
70-75
75-80
80-85
85-90
90-95
95-100
100-105
105-110
110-115
115-120
Total

Attachments:

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