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

  Confidence interval for the mean daily caloric intake

Find a 95% confidence interval for the mean daily caloric intake. Interpret this interval.

  Presume 10 undergraduate students are selected randomly

Nine percent of undergraduate students carry credit card balances greater than $7000. Presume 10 undergraduate students are selected randomly to be interviewed about credit card usage.

  Correlation analysis of wal-mart-sears

Using Microsoft Excel, create a correlation analysis of Wal-Mart's annual net income over the past 10 years compared with Sears's annual net income over the past 10 years and interpret the results.

  Measure of central tendency-home price in oxnard acres

Five homes were recently sold in Oxnard Acres. Four of the homes sold for $400,000 while the fifth home sold for $2.5 million. Which measure of central tendency best represents a typical home price in Oxnard Acres?

  Computing odds of flipping three tails

A fair coin is flipped 3 times. Compute the odds of flipping 3 tails.

  What is the expected time until 4th failure

Determine Probability using exponential distribution.The average time between failures of a laser machine is exponentially distributed with the mean of 40,000 hours.

  Level of significance test- critical and p-value approaches

At the 5% level of significance test whether the bottling process is carried out accurately or whether the filling machinery needs calibration. Use both the critical and the p-value approaches.

  Differences between distribution of performance of stock

Using part(a), explain to investor differences between distribution of performance figures for the 2 kinds of stock funds.

  Mean absolute percent error

An electronic test equipment manufacturing company markets a certain piece of specialty equipment. The company has several competitors who currently market similar pieces of equipment.

  Successive car interarrival times

To cross a single lane of moving traffic, we require at least a duration d. Successive car interarrival times are independently and identically distributed with probability density function fT (t).

  State null and the alternative hypotheses

Give an example of a hypothesis test. State what the Null and the Alternative hypotheses.

  Initial cardiac incident victims

Find the average age at which people will experience their first cardiac incident, given that 17% of all initial cardiac incident victims are younger than 50. Please, interpret the result.

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