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10 questions
State the midpoint of the class interval (3.8 – 5.2).
3.8
4.5
4.6
5.2
Calculate the size of the class intervals below.
12
12.5
13
13.5
Determine the value of x in the cumulative frequency table below.
10
11
12
13
The diagram below shows a box plot. Determine the interquartile range.
10
15
20
25
Determine the range of the following distribution.
RM40
RM44.50
RM54.50
RM60
Calculate the standard deviation for the following data.
2.928
4.848
5.148
6.227
The table below shows some statistical measures of the goals scored by four basketball teams within a year. Among the teams A, B, C and D, which team is the least consistent?
A
B
C
D
The cumulative frequency table shows the distribution of mass of letters in a post box.
if the mod class is 20 - 29, determine a possible value of y
5
6
7
8
The Diagram is a histogram showing the mass of 36 children.
Calculate the mean in kg, of a child
24.5
27.0
29.5
32.0
Identify the distribution of the data.
Right-skewed
Left-skewed
Symmetric
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