Measures of central tendency, Basic Statistics

Assignment Help:

MEASURES OF CENTRAL TENDENCY:

1) What do you mean by the term "Statistics"? Also state the importance of statistics.

2) What is the difference between mean, median and mode?

3) What are the different implications of mean, median and mode?

4) What do you mean by Dispersion?

5) Define raw moments? What do raw moment about 3 indicates.

6) Calculate Karl Pearson's co-efficient of skewness.

                Midpoint             : 15 20 25 30 35 40

                Frequency          : 12 18 25 24 20 21

7) Calculate Mean, Median and Mode of the data given below:

Marks:

10

20

30

40

50

60

No of students:

8

23

45

65

75

80

8) If the average monthly income of the workers in the factory is Rs.520/- and the average monthly income of male workers and female workers are Rs. 540/- and Rs. 460/- respectively, find the percentage of male workers and female workers in the factory.

9) The mean marks of 100 found to be 40. Later it was found to be that a mark 53 was misread as 83. (i) Find the correct mean mark. (ii) Find the mean mark if the wrong mark was omitted.


Related Discussions:- Measures of central tendency

Do you think the change towards ifrs is a good idea, Do you think the chang...

Do you think the change towards IFRS is a good idea? Manager 1: This change is definitely going to be a very positive change. There are no doubt a lot of advantages that IFRS

Data screening, Write a sample Results section, discussing your data screen...

Write a sample Results section, discussing your data screening activity.

R programm, 1. Generate a large dataset ( at least 1000 observations) µ wit...

1. Generate a large dataset ( at least 1000 observations) µ with a known mean, µ between 20 and 40 and variance s = 9 using rnorm(). identify it as D. Use the functions mean() and

Calculate operational variances -planning variances, You have recently join...

You have recently joined XYZ, an international company that produces a wide range of office supplies and stationary goods. In your new role as Group Management Accountant your firs

Financial limitations and expertise, Expertsmind.com offering Limitations ...

Expertsmind.com offering Limitations and expertise in financial accounting In Financial sales it is also useful in the following respects:- (1) Increased volume of finan

Standard costing, Standard costing In contemporary price sales, the idea...

Standard costing In contemporary price sales, the idea of documenting traditional expenditures was taken further, by assigning the organization''s set expenditures over a given

.index number, what are the types of index numbers?

what are the types of index numbers?

Sampling, what are the methods of sampling

what are the methods of sampling

Test of hypothesis, A toothpaste company wants to know if its new products ...

A toothpaste company wants to know if its new products increases the length of time in between dentists visits for its uses. The company sets a target of 180 days to determine if i

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