You will use sequential, selection and repetition programming statements. You will define one integer number: count count will store how many times valid weights and values have been entered. You will define a variety of doubles: weight, value, sum, sumw, avg value will store the input value weight will store the input weight for that value sum  will  store  the  running   sum  of  values  and weights sumw will store the running of the weights avg  will store  the weighted  average  of  the 5 numbers  and 5  weights  input. The running sum will be calculated by this formula: sum = sum + value * weight For  example, if   the  first value  and  weight  pair  entered  is 4, 1 and  second pair  is 10, 3: sum = sum + value*weight = 0 + 4*1 sum = 4 + 10*3 = 34 sumw = 1 + 3 = 4 Values and sum are to be input and calculated within a repetition loop: while count <  5 Input value, weight sumw = sumw + weight sum = sum + value * weight count = count + 1 End while Avg is calculated by: avg = sum / sumw   You will use sequential, selection and repetition programming statements.   If weight >= 0 then sumw = sumw + weight sum = sum + value * weight count = count + 1 Else report error End If

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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You will use sequential, selection and repetition programming statements.

You will define one integer number: count

count will store how many times valid weights and values have been entered.

You will define a variety of doubles: weight, value, sum, sumw, avg value will store the input value

weight will store the input weight for that value

sum  will  store  the  running   sum  of  values  and weights sumw will store the running of the weights

avg  will store  the weighted  average  of  the 5 numbers  and 5  weights  input.

The running sum will be calculated by this formula: sum = sum + value * weight

For  example, if   the  first value  and  weight  pair  entered  is 4, 1 and  second pair  is 10, 3: sum = sum + value*weight = 0 + 4*1

sum = 4 + 10*3 = 34 sumw = 1 + 3 = 4

Values and sum are to be input and calculated within a repetition loop:

while count <  5 Input value, weight

sumw = sumw + weight

sum = sum + value * weight

count = count + 1

End while

Avg is calculated by:

avg = sum / sumw

 

You will use sequential, selection and repetition programming statements.

 

If weight >= 0 then sumw = sumw + weight

sum = sum + value * weight count = count + 1

Else

report error

End If

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