Find your question
and Get expert's answers*
Homework Help
*Click here to submit
Refer a Friend
Discount up to 15%*
Prepared References
Save up to 50%*
Homework Help >> Basic Statistics
  Defining trend-methods of determining trend in time series  

Q1.

a. Describe the characteristics of Statistics.

b. What are the components of Statistics? Give a brief explanation of each of the components.

Q2.

Dscribe the objectives of Statistical Average. What are the requisites of a good average?

Q3.

a. Mention the Characteristics of Chi-square test.

b. Two research workers classified some people in income groups on the basis of sampling studies. Their results are as follow:

Investigators                Income groups                  Total
                     Poor        Middle           Rich
A                   160           30               10              200
B                   140         120               40               300
Total              300         150               50               500

Demonstrate that sampling technique of at least one research worker is defective.

Q4.

What do you understand by the term cost of living index? Discuss the methods of construction of cost of living index with an example for each.

Q5.

Define the term trend. Enumerate the methods of determining trend in time series

Q6.

The following data represent number of units of production per day turned out by 5 different workmen using different types of machines.

Workmen                            Machine type
                           A          B         C           D
1                         44        38       47          36
2                         46        40       52          43
3                         34        36       44          32
4                         43        38       46          33
5                         38        42       49          39

i) Test whether mean productivity is similar for the four different machine types.

ii) Test whether 5 men vary with respect to mean productivity.

Ask an Expert for Solution

Ask an Expert for Answer Defining trend-methods of determining trend in time series

Request for Solution Files

Expected delivery within 24 Hours

Course: Basic Statistics

Ref. No:- TGS01591




Like US:-
Assignment Help

Ask an Expert & Get Answer

  • Quality work delivery
  • 100% Plagiarism free
  • Time on delivery
  • Privacy of work
Order Now
More Basic Statistics Questions


Among the 15 scientists working on a research project, 10 have Ph.D.'s. What is the probability that three of them have Ph.D.'s?
In estimating the cost of a pile of bricks measured as 2m*15m*1.2m,the tape is stretched 1% beyong the standard length if the count is 450 bricks to
You notice in your introductory psychology class that more women tend to sit up front, and more men in the back. To determine wheather this differen
Consider an experiment that consists of taking 1 marble from the box and then replacing it in the box drawing a 2nd marble from the box. Describe
The number of road accident victims reporting to a hospital emergency ward is shown in the following table. Do these figures follow a Poisson distri
A random sample of 64 students at a university showed an average age of 25 years and a sample standard deviation of 2 years. The 98% confidence inte
If the standard deviation of the lifetime of a vacuum cleaner is estimated to be 300 hours, how large of a sample must be taken in order to be 97% c
The procedure for sampling a lot is to select 5 components at random and to reject the lot if a defective is found. What is the probability that e
a) Determine the mean production of acorn in the last six years. b) Calculate the standard deviation of data relative to acorn production.
What is the probability of an individual's purchasing the product given that the individual recalls seeing the advertisement?