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Mathematics, 22.05.2021 04:30 edgardo34
Twenty bags of coconut milk powder are weighed. The mass of each bag, to the nearest kg, is recorded as shown below.
Mass (kg)
Midpoint, x
Frequency , f
fx
1-10
5.5
5
27.5
11-20
21-30
31-40
41-50
State the lower class limit for the class interval 31-40.
State the lower class boundary for the class interval 31-40.
State the class width for the class interval 31-40.
Copy and complete the table above.
Hence, calculate the mean mass of milk powder in each bag.
(give your answer to 1 decimal place) (11 marks)
The table below shows the favourite fast foods of some form four students.
Food
Frequency
Doubles
30
Fried Chicken
25
BBQ
12
Pizza
13
Calculate the sector angles that would represent each food in a pie chart.
(8 marks)β
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Answers: 1
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Twenty bags of coconut milk powder are weighed. The mass of each bag, to the nearest kg, is recorded...
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