Question

Construct a frequency distoibution table for the following weights
cingm) of 30 oranges using the equal class intervals one of them
in 40-45( 45 not in included). The weights are:
3), 41, 46, 33, 44,51, 56, 63,71, 71, 62,63, 54,53,51,43,36,38,54,
56, 66, 71, 74, 75, 46, 47, 59, 60, 61, 63
a) what is the class mark of the class intervals 50-55?
b) what is
the
range
of the above weights?​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

Given observations are 31, 41, 46, 33, 44,51, 56, 63,71, 71, 62,63, 54,53,51,43,36,38,54,

56, 66, 71, 74, 75, 46, 47, 59, 60, 61, 63

a)Class mark of the class50-55

=(50+55)/2

=105/2

=52.5

b)Lowest value=31

Heighest value=75

Range=Heighest value-Lowest value

=>Range=75-31

Range=44