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)
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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)
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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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