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  3. i what is the difference between sample and population ii...

Question: i what is the difference between sample and population ii...

Question details
i. What is the difference between sample and population?
ii. What is the difference between statistic and parameter?
iii. What is the difference between descriptive statistics and statistical inference?
iv. Categorical random variable contrast with numerical random variable.
v. Compare discrete data from continuous data.
saw. Detail the difference between nominal and ordinal scale.
vii. Detail the difference between interval and ratio scale.
viii. Explain the main reasons for obtaining data.
ix. What is the difference between probabilistic and non-probabilistic sampling?
x. What are some potential risks when using fishbowl methods to select a simple random sample?
xi. Mention the difference between sampling with replacement and sampling without replacement
xii. Contrast simple random sampling with systematic sampling.
xiii. Compare stratified sampling and systematic sampling.
xiv. Determine the difference between stratified sampling and sampling by
conglomerates ("cluster")
xv. What distinguishes the four potential sources of error when
Do they handle surveys designed using probabilistic sampling?
STAT 555 Statistics for Making Managerial Decisions 19
School of Professional Studies Program Now Universidad Metropolitana
xvi. Why is it necessary to organize a set of numerical data collected?
xvii. Detail and explain the principles of graphic excellence.
xviii. Mentions the main differences between an orderly arrangement and
a diagram of stem and leaf.
xix How do the histogram and frequency polygon differ in
Regarding its construction, development and use?
xx. What is the polygon of accumulated frequencies useful for?
xxi. Detail the importance of building a summary table of frequencies and by hundreds.
xxii. Mention the advantages and disadvantages of using a bar chart, pie chart or Pareto chart?
xxiii. Contrast the bar chart for categorical data with the histogram for numerical data.
xxiv. Explain why one of the salient attributes of the Pareto diagram is its ability to separate the few essential data from the many trivial data.
xxv. What types of percents can help interpret the results obtained in a contingency table based on 2 categorical variables?
xxvi. What are some ethical aspects that should be present when presenting data in tables and graphs?
xxvii. Obtain and present a graph of a newspaper or magazine, which in your opinion contains an inadequate graphic representation of some variable (it can be numerical or categorical). Explain why you understand that it is not appropriate.
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