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merits and demerits of index number

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โˆ™ 2014-03-14 10:11:25
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Q: What are the merits and demerits of index numbers in statistics?
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Why fisher index is the ideal index?

becaused it is exact


How do you find median for index numbers?

Put them is ascending order. Count them = n. If n is odd, calculate (n+1)/2 the median is the value of the [(n+1)/2]th number in the ordered list. If n is even, the median is the average of the [n/2]th and [n/2 + 1]th numbers.


How do you find the quartiles of a data set?

First arrange the data set in ascending order. Suppose the data set consists of n observations. the index for the lower quartile is (n + 1)/4 and the index for the upper quartile is 3*(n + 1)/4. Find the values that correspond to the number in these positions in the ordered list. For example, if n = 15, then lower index = 4 and upper index = 12. So the lower quartile is the fourth number and the upper quartile is the twelfth. If n is large, you may skip the +1 and just look at n/4 and 3n/4. Often the indices are not integers. Then, if you are a beginner (nd the fact that you asked this question suggests that you are), find the nearest whole numbers for the two indices. Otherwise you need to interpolate and that is a whole new ball game!


What are ideal requisites of an dental index?

ideally, an index should possess the following properties:clarity, simplicity and objectivity:-the index should be easy to apply so that there is no undue time lost during field examination. the criteria of the index should be clear and unambiguous.validity:- it must measure what it is intended to measure, so it should correspond to clinical stages of the disease under study at each pointreliability:- the index should measure consistently at different times and a variety of conditions. the ability of the same or different to interpret and use the index in the same wayquantifiability:- it should be responsive to the statistical analysis so that the status can be expressed by a number that corresponds to a relative position on a scale of 0 to the upper limitsensitivity:- should be able to detect reasonably small shifts in either direction in the group or individual conditions.acceptability:- the use od index should not be painful or demeaning to the subject.


What is the stock symbol for the volatility index?

The symbol or ticker for the CBOE Volatility Index (VIX)varies depending on your quote server. VIX or .VIX are commonly used along with ^VIX (Yahoo Finance), and $VIX (Schwab).

Related questions

Define the human poverty index?

The human poverty index is a collection of statistics set to measure the human condition. The different statistics are combined to make the index.


Disadvantages of index number?

disadvantages of index numbers


What is in a index?

An index is a performance-tuning method of allowing faster retrieval of records. An index creates an entry for each value that appears in the indexed columns. By default, Oracle creates B-tree indexesThe syntax for creating a index is:CREATE [UNIQUE] INDEX index_nameON table_name (column1, column2, . column_n)[ COMPUTE STATISTICS ];UNIQUE indicates that the combination of values in the indexed columns must be unique.COMPUTE STATISTICS tells Oracle to collect statistics during the creation of the index. The statistics are then used by the optimizer to choose a "plan of execution" when SQL statements are executed.


What are the problems associated with the construction of index numbers under selected items?

what are the problems associated with the construction of index numbers


When was the Consumer Price Index created?

1919. Created by the Bureau of Labor Statistics.


What is a index in oracle?

An index is a performance-tuning method of allowing faster retrieval of records. An index creates an entry for each value that appears in the indexed columns. By default, Oracle creates B-tree indexesThe syntax for creating a index is:CREATE [UNIQUE] INDEX index_nameON table_name (column1, column2, . column_n)[ COMPUTE STATISTICS ];UNIQUE indicates that the combination of values in the indexed columns must be unique.COMPUTE STATISTICS tells Oracle to collect statistics during the creation of the index. The statistics are then used by the optimizer to choose a "plan of execution" when SQL statements are executed.


School index numbers?

F1194


What is the index form of numbers 9765625?

Index form of 9765625 is 9.765625 × 106


What has the author Maria Antolak written?

Maria Antolak has written: 'Problemy zmian struktury gospodarki narodowej w latach 1962-1975' -- subject(s): Economic conditions, Statistics 'Optymalizacja w planowaniu' -- subject(s): Index numbers (Economics), Industrial productivity, Statistics


What is index value?

Index value is a phrase used to describe pairs of numbers that are arranged in a table. The purpose of this is so applications can match numbers.


What has the author A H Spurlock written?

A. H. Spurlock has written: 'Changes in production areas and trends in citrus harvesting, packing and processing costs' -- subject(s): Citrus fruit industry 'Marketing Florida prepackaged sweet corn' 'Index numbers of agricultural production in Florida, 1924-1968' -- subject(s): Agriculture, Index numbers (Economics), Statistics


Solution to find 1000th prime number using python?

Here's a start umbers=[True]*5001 index=2 primes=[] while index<5000: multiplier=2 while index*multiplier <= 5000: Numbers[index*multiplier]=False multiplier+=1 index+=1 while Numbers[index]==False and index < 5000: index+=1 for x in range(0,5000): if Numbers[x]==True: primes.append(x) x+=1 print primes

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