From the following credit card transactions, find the credit-card sales less refunds. Then find the amount of the charge at the statement date.
-Cross Town Florists pays a 4% fee. 
Definitions:
Least Squares
A mathematical approach used to approximate the solution of overdetermined systems, minimizing the sum of the squares of the differences between observed and estimated values.
Squared Deviations
The square of the difference between each data point and the mean, used in variance calculation.
Actual y Values
The observed or measured values of the dependent variable in a study or experiment.
Scatter Diagram
A graphical representation of two variables for a set of data, showing the relationship between them by displaying points corresponding to each data pair.
Q1: $411.30<br>A)$255.00, $59.60<br>B)$2.55, $0.60<br>C)$26.50, $6.96<br>D)$25.50, $5.96
Q9: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8285/.jpg" alt=" A)
Q15: The fineness (purity)of gold is regulated by
Q28: 0.416<br>A)416%<br>B)0.0416%<br>C)41.6%<br>D)0.416%
Q52: Northwest Auto Sales collected $3,087.89 FICA, $722.17
Q59: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB8285/.jpg" alt=" A)
Q59: Beth Conners worked 43.2 hours last week
Q72: 1.596<br>A)0.01596%<br>B)159.6%<br>C)1.596%<br>D)0.1596%
Q72: On a map, the length of a
Q81: Invoice amt: $392.59<br>Invoice date: Sept 10<br>Terms: <img