# 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.