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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.
As part of a study of corporate employees, the Director of Human Resources for PNC wants to compare the distance travelled to work by employees at their office in downtown Edmonton
The three-character alpha/numeric code allocated by the Workplace of Economical Control (OFM) to recognize each account.
Clearing account An account used to build up entire charges, credits so that they can be disseminated later amongst the accounts to which they are allocable, so that the net diffe
How will the adoption of IFRS change financial reporting by companies? Manager 1: The new rules will definitely change the way our organization prepares financial statements.
Model 1: Let's consider the logistic regression model, which we will refer to as Model 1, given by log(pi / [1-pi]) = 0.25 + 0.32*X1 + 0.70*X2 + 0.50*X3
Your firm purchased a line of computer equipment for $1.5M four years ago. It is assigned a CCA rate of 20% and the firm has a tax rate of 35%. At the end of this year (year 4 for
The weight in Kg for each person was matched to their intake of fat per day in Grams. 9 people were selected with the following results. Weight (Xi) Fat (Yi) 45
Standard Deviation: The standard deviation is a gauge of the variance, or dispersion, of the market return over its average returns. Thus Standard Deviation gives an insight of tot
From the following cost, production and sales data of Decors Motor Ltd., prepare comparative income statement for three years under (i) absorption costing method, and (ii) marginal
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
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