Central tendency and dispersion in statistics, Applied Statistics

Assignment Help:

Central Tendency and Dispersion in Statistics:

Write a note on the following :

i)    What is the importance of Measures Of Central Tendency and Dispersion in Statistics ?

ii)   Define Correlation coefficient and discuss two methods of its computation .

iii)  What is regression analysis ? Discuss the relation between 'correlation coefficient ' and the 'regression coefficients'.

Ques: Data on the scores obtained by A & B are given below :

A

B

23     24     43     37     26

43     37     29     49     41

23     37     43     41     26

37     24     29     43     49

29     18     23     24     25

23     24     28     35     39

34     18     35     24     42

37     41     25     23     39

 

i)  Compare Arithmetic Mean and Standard Deviation for the two groups and compute pooled mean and variances.

ii) Comment on the consistency between A and B.


Related Discussions:- Central tendency and dispersion in statistics

Applications of standard error, Applications of Standard Error   ...

Applications of Standard Error   Standard Error is used to test whether the difference between the sample statistic and the population parameter is significant or is d

#vital statistics, # I have to make assignment on vital statistics so kindl...

# I have to make assignment on vital statistics so kindly guide me how to make and get good marks

Pattie-lynns utility function, Pattie-Lynn's utility function for total as...

Pattie-Lynn's utility function for total assets is, in which A represents total assets in thousands of dollars. (a) Graph Pattie-Lynn's utility function. How would y

CERTIFICATE OF AIRWORTHINESS FOR EXPORT, CERTIFICATE OF AIRWORTHINESS FOR E...

CERTIFICATE OF AIRWORTHINESS FOR EXPORT When aircraft manufacturers go into series production of a new type of aircraft, then obviously they are hopeful of world wide sales. Sim

Problem set for logistic regression, (1) What values can the response varia...

(1) What values can the response variable Y take in logistic regression, and hence what statistical distribution does Y follow? The response variable can take the value of either

Correlation matrix table, A.    Do the correlation matrix table. B.    W...

A.    Do the correlation matrix table. B.    Which variable (s) has the largest correlation coeffieient which is not a perfect correlation? C.    Which variable (s) has the s

Econometrics, Ask question From the household budget survey of 1980 of the...

Ask question From the household budget survey of 1980 of the Dutch Central Bureau of Statistics, J. S. Cramer obtained the following logit model based on a sample of 2820 househol

Carry out a t-test, Suppose that before the minimum wage law change, the un...

Suppose that before the minimum wage law change, the underlying mean number of part-time employees per Burger King Restaurant in New Jersey was 20.3. It was thought that the increa

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd