find the standard deviation, Basic Statistics

Assignment Help:

Research Question:

Percentage of students who drank a can, bottle, or glass of soda or pop (not including diet soda or diet pop) at least 1 time per day during the seven days before the survey

To complete a project you will have to complete the following steps:

1)      Study the research question and write a short description about it (roughly 75 to 100 words).

2)      Collecting Data and  Summarizing Data -

- Study the website given to you and choose a random sample from the population

a)      Define your population and sample.  Describe the advantages and disadvantages of choosing a sample. State how you chose sample members and give reason for the same.

b)      Your sample size must have at least 30 from your population. 

c)      Use frequency table to summarize the data you have collected. Explain the reason for choosing the structure and design of the frequency table.

3)      Presenting Data -

a)     Use graphs and charts to highlight some of the findings in your research. Use at least 3 graphs and charts to present the data.

b)     Where applicable calculate mean, median and mode.

c)     For some of your findings elaborate on the meaning of these averages and explain using a drawing whether the averages display a symmetrical distribution or skewed distribution.

d)     Find the standard deviation and discuss the consistency of your data.  Discuss the spread in your data.

4)      Analysis

a)      Explain the difference between parameters and statistics.  What are the measures of dispersion?  Explain each one of them.

b)      Do you think the results are a good representative of the entire population?

c)      Create confidence interval at the 90% level.

d)     To guarantee a 95% confidence level, what sample size is required?

e)      Do you think you need to modify the sample you started with?

f)       Do you think the nature of data you are dealing with is qualitative or quantitative?

g)      Are the data continuous or discrete?

5)      Conclusion

Can you recommend an action plan to deal with the problems identified in your survey? Elaborate.


Related Discussions:- find the standard deviation

Kurtosis, how solve and get kurtosis

how solve and get kurtosis

Graphical Representation of Data, How does one find the 65th percrntile and...

How does one find the 65th percrntile and quartile deviation from the "less than" ogive curve

Allowable moving costs , Allowable moving costs Except as mentioned in Sub...

Allowable moving costs Except as mentioned in Subsection 60.20.20 and within certain restrictions, allowable moving costs involve the prices associated with moving family products

#titlelinear regression.., regression line drawn asY=C+1075x,when x was 2,a...

regression line drawn asY=C+1075x,when x was 2,and y was239,given that y intercept was11.calculate the residual.

Corlation, 1. Calculate Karl Pearson’s coefficient of correlation between e...

1. Calculate Karl Pearson’s coefficient of correlation between expenditure on advertising (X) and sales (Y) from the data given below: The management decided to stop further expens

Frequency distribution, hey goo day, i wanna know the definition of frequen...

hey goo day, i wanna know the definition of frequency distribution and how to conduct it like in examples?

Definition of Capital Market, Definition of capital market is termed as a m...

Definition of capital market is termed as a market where shares are traded after an initial issue. Capital market is the market where corporations, companies, and government debt

Histograms, The skewness is a measure of asymmetry and it is positive at 0....

The skewness is a measure of asymmetry and it is positive at 0.15 meaning that it is greater than zero which reveals that the tail extends to the right slightly indicating the dist

Pie diagram, A survey was conducted among the residents of Pune City, its s...

A survey was conducted among the residents of Pune City, its suburbs and the Pune Cantonment area. The following three pie diagrams show their respective preferences for living in

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