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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.
Hi, do you do correlation assignment
prof. ya-lu-chan definitions statistices
A manufacturer of VCRs plans to purchase a particular component from suppliers A, B and C. 30% of the components are to be purchased from A, 20% from B and 50% from C. In the past,
The specification for a plastic handle calls for a length of 6.0 inches ± 0.5 inches (5.5 to 6.5 inches). The process is known to operate at a mean thickness of 6.1 inches. The mi
The company acquired 50000 8% preferencd shares (with a par value of R4 each) in cross limited on 30 june 2006 for R180000.
1-100,101-200
Two blocks with masses and hang one under the other. For this problem, take the positive direction to be upward, and use for the magnitude of the acceleration due to gravity. Fi
Vital statistics may be interpreted in two ways-in a broader sense it refers to all types of population statistics by whatever mode collected while in a narrower sense it refers o
methods of transfer princing
how to make table of bivariate frequency table
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