Types of variables which used in quantitative studies

Assignment Help Basic Statistics
Reference no: EM1393690

What are descriptive statistics? What are inferential statistics? How are each used in quantitative studies?

What different types of variables are used in quantitative studies? Describe each type of variable and how they differ.

Reference no: EM1393690

Questions Cloud

Calculate the resulting drug concentration : People say the dose makes the poison, actually, the dose determines the concentration, and the local concentration determines the toxicity the poison.
Express any content also formatting errors found : Find out if the content is appropriate for a workplace setting. If so, Explain why. If not, classify the errors made also rewrite the email so it is appropriate.
Estimate business-government agency requirement-transferring : Write the essay in which you estimate what the business or government agency would require to consider before transferring the hardy but non indigenous species to another country.
Question on parameters : A recent study of breast cancer revealed that 13% of the women in the sample used antibiotics more than 500 days in their lifetime.
Types of variables which used in quantitative studies : What different types of variables are used in quantitative studies? Describe each type of variable and how they differ.
Explain how can we alleviate problem : In the Caribbean, we often part with our hard earned cash to vendors of sub-Standard or even useless/worthless products. This is mainly due to our size also lack of competition also a particular tradition which does not support consumer awareness...
Microchannels volume calculation : A fluid containing cells is used for chemical identification. The fluid runs through a rectangular channel that is twenty micrometers wide 10 micrometers deep 10 millimeters long.
Histogram-cumulative graph-percentile-quartileg : The final examination of a course requires an essay. The number of pages from a sample of 25 students were collected. The data are:
Illustrate what evidence is there to support this : Which skill sets (technical, conceptual also human skills) was McFarlane proficient in lacking proficiency in? Explain your answer.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Computing probability of package delivery service

If sample of size 10 packages is randomly chosen, and 5 percent rate holds, determine the probability that exactly 2 packages in the sample arrive late?

  Poisson approximation to the binomial distribution

The rate of defects among CD players of a certain brand is 1.1%. Use the Poisson approximation to the binomial distribution to find the probability that among 240 such CD players received by a store, there is at most one defective CD player.

  Using a level of significance-population mean weight

Using a level of significance of .10, is there evidence that the population mean weight of the candy bars is greater than 7.3? Fully explain your answer.

  Test for single mean - what do you conclude

Test for single mean - What do you conclude - Compute z and P

  Developing percent frequency distribution

Develop percent frequency distribution and construct bar chart and pie chart.

  Plans on summerfun and wormwood cases

Subcontracting can handle a maximum of 10 units per month. Beginning inventory is zero. Develop a plan that minimizes total cost. No back orders are allowed.

  Completely randomized experiment and observational study

They are thinking of introducing a new flavour, maple-marshmallow Frumpies, and want to know whether children will prefer the new flavour to the old one. Design a completely randomized experiment to investigate this question.

  Standard deviation of sample mean

A study of the amount of time it takes a mechanic to rebuild the transmission for a 1992 Chevrolet Cavalier shows that the mean is 8.4 hours and the standard deviation is 1.8 hours.

  Population of random variable

Suppose that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more?

  Sampling error to calculate sample mean

Given this information, what would sampling error be if sample including seven values in top row were used to calculate sample mean?

  Three period moving average and exponential smoothing

Conduct a 3-period moving average, an exponential smoothing forecasting using an alpha of .25, and a seasonal forecast with 3 seasons.

  Confidence interval for the true average difference

The mean difference in total cholesterol levels (after - before) was 27.138 mg/dL with a standard deviation of 7.3685 mg/dL. Create a 95% confidence interval for the true average difference in cholesterol levels by the drug.

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