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The following data give the repair costs (in RM) for 30 randomly selected cars from a list of cars involved in collisions.
a) By using RM 1 as the lower limit of the first class and RM 1400 as the width of each class, construct a frequency distribution table.
b) Compute the cumulative frequency.
c) Draw a cumulative frequency polygon of the type "less than or equal".
d) From your graph in c), estimate the following:
(i) median
(ii) first quartile
(iii) third quartile
(iv) inter quartile range
give a elementary example for characterstics of index number
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If the sample size is less than 30, then we need to make the assumption that X (the volume of liquid in any cup) is normally distributed. This forces (the mean volume in the sam
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A country''s national accounts are assumed to look as follows: GDP 1180 VAT and taxes 140 Commodity subsidies 60 Raw material and consumables 530 1. Calculate GVA 2. Calculate t
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calculate variance and standard deviation of the following sample 12,22,32,13,12,23,34,52,56,23,44,32,11,11
what does it mean by moving average?
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