5. Write the formula for the mean water bill for the entire year using sigma notation and determine that mean. 6. Write the formula for the mean water bill for the first 6 months of t
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Use the following table to answer questions 5 and 6. Monthly Water Bills
Jan.
Feb.
March
April
May
June
July
Aug.
Sept.
Oct.
Nov.
Dec.
$40
$42
$40
$36
$48
$50
$58
$62
$56
$46
$44
$44
5. Write the formula for the
6. Write the formula for the mean water bill for the first 6 months of the year using sigma
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