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Examine the distributions of weight and height. Are there any outliers? If so deal with them appropriately.
Create a new variable that divides weight into groups. Produce a table showing the frequency distribution and cumulative relative frequency distribution of the new grouped variable. Produce a histogram of weight to illustrate this frequency distribution and comment on the histogram. Construct a cumulative relative frequency plot (by hand or otherwise) of the new variable and use it to estimate the median weight. Why may this estimate differ from the median of the recorded values for weight? Which estimate would be preferred and why?
(b) (i) The Australian Dietary Guidelines recommend that adults eat 2 or more serves of fruit each day. What percentage of students usually eat 2 or more serves of fruit each day?
(ii) Construct a two-way table to show within each sex (male vs female), the number and percentage of students who eat 2 or more serves of fruit each day versus those who eat less than 2 serves of fruit each day.
03 (a) Explain the term capital rationing and suggest the criteria to be used in ranking projects under capital rationing. (05) (b) There are three projects X Y and Z having follow
various types of measure of fertility
Is Venus geologically active? -It is almost certain that Venus, a planet almost of the same size as earth is geologically active. Recent studies show that there is Volcanic and t
Statistical process control, a methodology used for controlling and improving the outcomes of operational processes, has been in use for almost 100 years! It was widely used in ma
What is the sampling and it importance in daily routain life. Explain stratify sampling
A researcher is interested in characteristics of HIV+ and HIV- adolescents interviewed 166 young adults about their experiences during adolescence. He wished to know, among other
1. Use the portal method to determine the approximate vertical reactions. Circles represent pinned connections. 2. A steel 2" x 3" rectangular bar is 9' long (E = 29,000ksi
TIME SERIES ANALYSIS: 1) Discuss the various models of Time series. 2) What are the various methods of trend analysis? What are their implications in the business world?
difference between Historigrams and Histogram
Cash flow analysis In financial sales, an income report, also known as report of money runs or funds circulation report is a financial report that shows how changes in stability
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