Question

The table shows transactions in a checking account

A) Find the total of the transactions for each month

B) Find the mean total for the four months

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Answer 1

1) number of transactions for the month of January = 252.20

number of transactions for the month of February = 88.00

number of transactions for the month of March = 1.70

number of transactions for the month of April = -836.90

2. mean total of the four months -123.93

Explanation:

Explanation:

Answer 2

i) number of transactions for the month of January = 4

number of transactions for the month of February = 4

number of transactions for the month of March = 4

number of transactions for the month of April = 4

ii) Mean of four months = -495.7 /4 = -123.93

Explanation:

i) number of transactions for the month of January = 4

number of transactions for the month of February = 4

number of transactions for the month of March = 4

number of transactions for the month of April = 4

ii) January February March April

-38.50 250.00 -14.00 -86.80

126.30 -135.20 99.00 -570.00

429.40 35.50 -82.70 100.00

-265.00 -62.30 -1.50 -280.10

Total 252.20 88.20 0.80 -836.9

Total of four months = 252.2 + 88.20 + 0.80 - 836.9 = -495.7

Mean of four months = -495.7 /4 = -123.93