An insurance company keeps a record of insurance plans sold per day for the past 150 days, as summarized in the table below. Number of Insurance Plans 9 10 12 14 15 17 Sold Per Day (X) Frequency of Occurrence (f) 27 25 32 41 17 8 What is the variance of the number of insurance plans that will be sold at a given day?

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An insurance company keeps a record of insurance plans sold per day for the past 150 days,
as summarized in the table below.
Number of Insurance Plans
9
10
12
14
15
17
Sold Per Day (X)
Frequency of Occurrence (f)
27
25
32
41
17
8
What is the variance of the number of insurance plans that will be sold at a given day?
A 2.2860
B
5.6549
2.3780
5.8429
Transcribed Image Text:An insurance company keeps a record of insurance plans sold per day for the past 150 days, as summarized in the table below. Number of Insurance Plans 9 10 12 14 15 17 Sold Per Day (X) Frequency of Occurrence (f) 27 25 32 41 17 8 What is the variance of the number of insurance plans that will be sold at a given day? A 2.2860 B 5.6549 2.3780 5.8429
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