The employees in DRB Hicom can be split into the following categories: managerial 13, supervisory 9, craftsmen 21, semi-skilled 67, others 44. Represent these data on a pie chart.

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a) The employees in DRB Hicom can be split into the following categories:
managerial 13, supervisory 9, craftsmen 21, semi-skilled 67, others 44.
Represent these data on a pie chart.
b) Classify the following random variables as discrete or continuous:
X: the number of automobile accidents per year in Virginia.
Y: the length of time to play 18 holes of golf.
M: the amount of milk produced yearly by a cow.
N: the number of eggs laid each month by a hen.
P: the number of building permits issued each month in a certain city.
Q: the weight of grain produced per acre
c) Evaluate the median, mode and standard deviation for the following frequency distribution table:
Class Interval Frequency
0 – 3
4 – 7
8 – 11
3
5
|
12 – 15
4
16 – 19
3
20 – 23
3
Transcribed Image Text:a) The employees in DRB Hicom can be split into the following categories: managerial 13, supervisory 9, craftsmen 21, semi-skilled 67, others 44. Represent these data on a pie chart. b) Classify the following random variables as discrete or continuous: X: the number of automobile accidents per year in Virginia. Y: the length of time to play 18 holes of golf. M: the amount of milk produced yearly by a cow. N: the number of eggs laid each month by a hen. P: the number of building permits issued each month in a certain city. Q: the weight of grain produced per acre c) Evaluate the median, mode and standard deviation for the following frequency distribution table: Class Interval Frequency 0 – 3 4 – 7 8 – 11 3 5 | 12 – 15 4 16 – 19 3 20 – 23 3
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