40% of _ =$10:00 A $0.25 B $4.00 C $25.00 D $40.00 E none of these
2 answers:
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Answer:
a) Sample mean: 48.71
Sample median: 48.3
Sample variance: 5.41
Sample standard deviation: 2.37
Step-by-step explanation:
a) Sample mean:
Sample median: M=48.3
Note: I order the data increasingly and take the value N / 2 = 40. In this way there are 39 values above and 39 values below the median.
Sample variance:
Sample standard deviation
b)
