Purpose of sampling-operational definition

Assignment Help Basic Statistics
Reference no: EM1398905

1. What characterizes a regular definition (dictionary) and an operational definition?

2. What is the purpose of sampling?

3. In distributions of populations, please consider Chebyshev's rule and the Empirical Rule. This takes some thinking.

a) When (what kind of a situation) would you use each in business? Why are they important? How are they calculated?

4. However we need to look closer at "causal research". Now concerning causal research let us look deeper: What must we actually show (necessary and sufficient conditions) if we are to prove cause and effect?

5. An important practical consideration when sampling is the sample size. So, what determines sample size? What influences our decisions?

Reference no: EM1398905

Questions Cloud

Determine the upper control limit : Determine the upper control limit (UCL) and lower control limit (LCL) for an X-Bar chart if six samples of subgroup size 5 (n=5) were collected, and the mean of the sample averages is 4.7 and mean of the sample ranges is 0.35.
Which change in gas levels activates breathing : How do the levels of oxygen and carbon dioxide in the bloodstream change when respiration is modified from normal ventillation to hyperventillation.
Explain how you would adapt these branding ad photos : Explain how you would adapt these branding ad photos to the Egyptian market. Make sure that you comprise a Title and Reference page. Address the following
Discuss three different cryptic organisms : What are three different cryptic organisms and what is unique about these adaptations? example to use are flatfish, leafy dragon, weedy dragon,
Purpose of sampling-operational definition : What characterizes a regular definition (dictionary) and an operational definition? What is the purpose of sampling?
Explain item for s-data personality test of rebelliousness : Write the item for the S-data personality test of rebelliousness and explain examples of L-data and B-data--not to be gathered by self-judgment.
What would happen to fev1/fvc percentage of a person : What would happen to FEV1/FVC percentage of a person had an obstructive respiratory disorder.
Discuss the elements of impossibility of performance : Discuss the elements of impossibility of performance and the three situations where this defence can be used.
Create a payoff matrix for game : Create a payoff matrix for game assuming students choose to slack or work simultaneously and find the Nash equilibrium and explain why the result you found is a Nash equilibrium.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Arithmetic mean income

Critically illustrate out the range? What is the arithmetic mean income? What is the population variance?

  Hypothesis testing for difference among two means

Describe a business situation that you have had or might face that will benefit from the use of confidence intervals?

  Important information about t-distribution

We can compare two sample means to determine if the samples were obtained from normal populations with the same mean using the "t" distribution.

  Estimating simple linear regression equation

A sample of twenty automobiles was taken, and the miles per gallon (MPG), horsepower, and total weight were recorded. Develop a linear regression model to predict MPG using horsepower as the only independent variable.  Develop another model with weig..

  Function of normal distribution random variable

The moment generating function of normal distributed random variable ,Y, with mean and variance .derive the moment generating function of X=-3Y+4.what is the distribution of X? why?

  Squared deviations about regression line

If the sum of the squared deviations about the regression line is SSE = 40.0, what is the coefficient of determination?

  Boundaries for critical region if alpha level is changed

If alpha level is changed from a = 0.05 to a = 0.01. What occurs to boundaries for critical region?

  Linear programming-simplex method

Kay Manning is a sales manager with two salespeople working for her. The ability of each salesperson to secure new accounts has historically been: Jesse Burkett can generate 4 new accounts per 10 visits to prospects

  Creating frequency distribution of sample mean

Create Frequency Distribution of Sample Mean. Compute and Identifies Sampling Distribution of Sample Mean.

  Stocks-risk and expected returns

Stock A has an expected return of 12% and a standard deviation of 40%. Stock B has an expected return of 18% and a standard deviation of 60%. The correlation coefficient between Stocks A and B is 0.2.

  Illustrate the maximum number of reservations

Illustrate the maximum number of reservations that it could accept for a flight with a capacity of 160, if it needs the probability of accommodating all reservation holders to be at least 95%.

  Mcq of multivariate statistics

Regression model results can be erroneous if multicollinearity is an issue. What causes multicollinearity? If the intercept is statistically significant, what does this tell you?

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