HP F2219AA#ABA HP 20b Business Consultant Financial Calculator Manual - Page 63

Statistics Example, Table 10-1

Get HP F2219AA#ABA - 20b Business Consultant Financial Calculator PDF manuals and user guides
UPC - 088358587534
View all HP F2219AA#ABA manuals
Add to My Manuals
Save this manual to your list of manuals

Page 63 highlights

Statistical Operations Table 10-1 The Statistics Menu Items Menu Item Description Sigma Y The sum of the y values. Sigma X2 The sum of the squares of the x values. Sigma Y2 The sum of the squares for the y values. Sigma XY The sum of the products of the x and y values. Statistics Example Sales for the last five months are represented by the pairs of values shown below, with the month number as x, and the sales values as y. Enter these into the Data menu. Using the Statistics menu for Predictions, predict sales for month seven. What is the linear regression line? What is the sum of all the y values? See Tables 10-2 and 10-3. Table 10-2 Months and Sales Month 1 Sales Values 150 2 165 3 160 4 175 5 170 Table 10-3 Statistics Example Keys :y Display 1I1 50I 2I1 65I 3I1 60I 4I1 75I 63 Description Opens Data menu. Inputs values for X(1) and Y(1). Inputs values for X(2) and Y(2). Inputs values for X(3) and Y(3). Inputs values for X(4) and Y(4).

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
Statistical Operations
63
Table 10-1
The Statistics Menu Items
Menu Item
Description
Sigma Y
The sum of the y values.
Sigma X
2
The sum of the squares of the x values.
Sigma Y
2
The sum of the squares for the y values.
Sigma XY
The sum of the products of the x and y values.
Statistics Example
Sales for the last five months are represented by the pairs of values shown below, with the month number as
x
, and the
sales values as
y
. Enter these into the Data menu. Using the Statistics menu for
Predictions
, predict sales for month
seven. What is the linear regression line? What is the sum of all the y values? See Tables 10-2 and 10-3.
Table 10-2
Months and Sales
Month
Sales Values
1
150
2
165
3
160
4
175
5
170
Table 10-3
Statistics Example
Keys
Display
Description
:y
Opens Data menu.
1I1
50I
Inputs values for X(1) and Y(1).
2I1
65I
Inputs values for X(2) and Y(2).
3I1
60I
Inputs values for X(3) and Y(3).
4I1
75I
Inputs values for X(4) and Y(4).